20370904880 has 40 divisors (see below), whose sum is σ = 47416277664. Its totient is φ = 8139084800.

The previous prime is 20370904877. The next prime is 20370904909. The reversal of 20370904880 is 8840907302.

It is a tau number, because it is divible by the number of its divisors (40).

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, 74036 + ... + 214995.

Almost surely, 2^20370904880 is an apocalyptic number.

20370904880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20370904880 is an abundant number, since it is smaller than the sum of its proper divisors (27045372784).

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

20370904880 is a wasteful number, since it uses less digits than its factorization.

20370904880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289925 (or 289919 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 20370904880 in words is "twenty billion, three hundred seventy million, nine hundred four thousand, eight hundred eighty".