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20200021011120 = 2435109772172057
BaseRepresentation
bin1001001011111001011110…
…00100111010101010110000
32122112002210012021122222210
410211330233010322222300
510121424120334323440
6110543432254332120
74153255231405536
oct445745704725260
978462705248883
1020200021011120
11648886527a1a5
122322a961ba040
13b36b13a7b612
144db98704c156
152506b00aaa80
hex125f2f13aab0

20200021011120 has 80 divisors (see below), whose sum is σ = 63194561226720. Its totient is φ = 5337253251072.

The previous prime is 20200021010999. The next prime is 20200021011133. The reversal of 20200021011120 is 2111012000202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20200021011096 and 20200021011105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386059869 + ... + 386112188.

It is an arithmetic number, because the mean of its divisors is an integer number (789932015334).

Almost surely, 220200021011120 is an apocalyptic number.

20200021011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200021011120 is an abundant number, since it is smaller than the sum of its proper divisors (42994540215600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20200021011120 is a wasteful number, since it uses less digits than its factorization.

20200021011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772172182 (or 772172176 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20200021011120 its reverse (2111012000202), we get a palindrome (22311033011322).

The spelling of 20200021011120 in words is "twenty trillion, two hundred billion, twenty-one million, eleven thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 109 120 218 240 327 436 545 654 872 1090 1308 1635 1744 2180 2616 3270 4360 5232 6540 8720 13080 26160 772172057 1544344114 2316516171 3088688228 3860860285 4633032342 6177376456 7721720570 9266064684 11582580855 12354752912 15443441140 18532129368 23165161710 30886882280 37064258736 46330323420 61773764560 84166754213 92660646840 168333508426 185321293680 252500262639 336667016852 420833771065 505000525278 673334033704 841667542130 1010001050556 1262501313195 1346668067408 1683335084260 2020002101112 2525002626390 3366670168520 4040004202224 5050005252780 6733340337040 10100010505560 20200021011120