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20200011221012 = 2273461208445239
BaseRepresentation
bin1001001011111001011100…
…11111100100100000010100
32122112002202111212021111012
410211330232133210200110
510121424110333033022
6110543431304431352
74153255052242130
oct445745637444024
978462674767435
1020200011221012
11648885a7a27a7
122322a92a78558
13b36b11a3145c
144db985a203c0
152506ae2c4de2
hex125f2e7e4814

20200011221012 has 24 divisors (see below), whose sum is σ = 40411695569280. Its totient is φ = 8654646281760.

The previous prime is 20200011220981. The next prime is 20200011221053. The reversal of 20200011221012 is 21012211000202.

It is a super-2 number, since 2×202000112210122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104125712 + ... + 104319527.

It is an arithmetic number, because the mean of its divisors is an integer number (1683820648720).

Almost surely, 220200011221012 is an apocalyptic number.

It is an amenable number.

20200011221012 is an abundant number, since it is smaller than the sum of its proper divisors (20211684348268).

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

20200011221012 is a wasteful number, since it uses less digits than its factorization.

20200011221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208448711 (or 208448709 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20200011221012 its reverse (21012211000202), we get a palindrome (41212222221214).

The spelling of 20200011221012 in words is "twenty trillion, two hundred billion, eleven million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 4 7 14 28 3461 6922 13844 24227 48454 96908 208445239 416890478 833780956 1459116673 2918233346 5836466692 721428972179 1442857944358 2885715888716 5050002805253 10100005610506 20200011221012