20900834022 has 64 divisors (see below), whose sum is σ = 44864709120. Its totient is φ = 6474276864.

The previous prime is 20900834021. The next prime is 20900834033. The reversal of 20900834022 is 22043800902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20900834021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3923853 + ... + 3929175.

It is an arithmetic number, because the mean of its divisors is an integer number (701011080).

Almost surely, 2^20900834022 is an apocalyptic number.

20900834022 is an abundant number, since it is smaller than the sum of its proper divisors (23963875098).

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

20900834022 is a wasteful number, since it uses less digits than its factorization.

20900834022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 20900834022 in words is "twenty billion, nine hundred million, eight hundred thirty-four thousand, twenty-two".