9090929092920 has 32 divisors (see below), whose sum is σ = 27272787279120. Its totient is φ = 2424247758080.

The previous prime is 9090929092897. The next prime is 9090929092933. The reversal of 9090929092920 is 292909290909.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 37878871101 + ... + 37878871340.

Almost surely, 2^{9090929092920} is an apocalyptic number.

It is an amenable number.

9090929092920 is an abundant number, since it is smaller than the sum of its proper divisors (18181858186200).

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

9090929092920 is a wasteful number, since it uses less digits than its factorization.

9090929092920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75757742455 (or 75757742451 counting only the distinct ones).

The product of its (nonzero) digits is 4251528, while the sum is 60.

The spelling of 9090929092920 in words is "nine trillion, ninety billion, nine hundred twenty-nine million, ninety-two thousand, nine hundred twenty".