20920120926 has 32 divisors (see below), whose sum is σ = 41968903680. Its totient is φ = 6951957024.

The previous prime is 20920120919. The next prime is 20920120957. The reversal of 20920120926 is 62902102902.

It is a congruent number.

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, 4562431 + ... + 4567013.

It is an arithmetic number, because the mean of its divisors is an integer number (1311528240).

Almost surely, 2^20920120926 is an apocalyptic number.

20920120926 is an abundant number, since it is smaller than the sum of its proper divisors (21048782754).

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

20920120926 is a wasteful number, since it uses less digits than its factorization.

20920120926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6760.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 20920120926 in words is "twenty billion, nine hundred twenty million, one hundred twenty thousand, nine hundred twenty-six".