20392480320 has 112 divisors (see below), whose sum is σ = 66123848448. Its totient is φ = 5322280960.

The previous prime is 20392480301. The next prime is 20392480327. The reversal of 20392480320 is 2308429302.

It is not an unprimeable number, because it can be changed into a prime (20392480327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180861 + ... + 271100.

It is an arithmetic number, because the mean of its divisors is an integer number (590391504).

Almost surely, 2^20392480320 is an apocalyptic number.

20392480320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20392480320 is an abundant number, since it is smaller than the sum of its proper divisors (45731368128).

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

20392480320 is a wasteful number, since it uses less digits than its factorization.

20392480320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452028 (or 452018 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 20392480320 in words is "twenty billion, three hundred ninety-two million, four hundred eighty thousand, three hundred twenty".