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13201223022020 = 2251171845148721
BaseRepresentation
bin1100000000011010011000…
…1101010111010111000100
31201202000122221010011120202
43000012212031113113010
53212242101043201040
644024320320150032
72531520420150305
oct300064615272704
951660587104522
1013201223022020
11422a6752714a0
12159259aa68318
13749b4049c857
14338d2a70a7ac
1517d5da193015
hexc01a63575c4

13201223022020 has 48 divisors (see below), whose sum is σ = 30668756823936. Its totient is φ = 4732832832000.

The previous prime is 13201223022007. The next prime is 13201223022089. The reversal of 13201223022020 is 2022032210231.

It is a happy number.

It is a super-2 number, since 2×132012230220202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13201223021983 and 13201223022001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422558741 + ... + 422589980.

It is an arithmetic number, because the mean of its divisors is an integer number (638932433832).

Almost surely, 213201223022020 is an apocalyptic number.

13201223022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201223022020 is an abundant number, since it is smaller than the sum of its proper divisors (17467533801916).

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

13201223022020 is a wasteful number, since it uses less digits than its factorization.

13201223022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845148812 (or 845148810 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13201223022020 its reverse (2022032210231), we get a palindrome (15223255232251).

The spelling of 13201223022020 in words is "thirteen trillion, two hundred one billion, two hundred twenty-three million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 71 110 142 220 284 355 710 781 1420 1562 3124 3905 7810 15620 845148721 1690297442 3380594884 4225743605 8451487210 9296635931 16902974420 18593271862 37186543724 46483179655 60005559191 92966359310 120011118382 185932718620 240022236764 300027795955 600055591910 660061151101 1200111183820 1320122302202 2640244604404 3300305755505 6600611511010 13201223022020