105000204520 has 32 divisors (see below), whose sum is σ = 239577937920. Its totient is φ = 41408530240.

The previous prime is 105000204481. The next prime is 105000204539. The reversal of 105000204520 is 25402000501.

It is a super-2 number, since 2×105000204520² (a number of 23 digits) contains 22 as substring.

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, 18483112 + ... + 18488791.

It is an arithmetic number, because the mean of its divisors is an integer number (7486810560).

Almost surely, 2^105000204520 is an apocalyptic number.

105000204520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105000204520 is an abundant number, since it is smaller than the sum of its proper divisors (134577733400).

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

105000204520 is a wasteful number, since it uses less digits than its factorization.

105000204520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36971985 (or 36971981 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The spelling of 105000204520 in words is "one hundred five billion, two hundred four thousand, five hundred twenty".