20205273104 has 80 divisors (see below), whose sum is σ = 40699895040. Its totient is φ = 9711037440.

The previous prime is 20205273091. The next prime is 20205273133. The reversal of 20205273104 is 40137250202.

It is a super-2 number, since 2×20205273104² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21563324 + ... + 21564260.

It is an arithmetic number, because the mean of its divisors is an integer number (508748688).

Almost surely, 2^20205273104 is an apocalyptic number.

It is an amenable number.

20205273104 is an abundant number, since it is smaller than the sum of its proper divisors (20494621936).

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

20205273104 is a wasteful number, since it uses less digits than its factorization.

20205273104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The spelling of 20205273104 in words is "twenty billion, two hundred five million, two hundred seventy-three thousand, one hundred four".