20180373320 has 32 divisors (see below), whose sum is σ = 45410742720. Its totient is φ = 8071277760.

The previous prime is 20180373313. The next prime is 20180373341. The reversal of 20180373320 is 2337308102.

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, 451919 + ... + 494561.

It is an arithmetic number, because the mean of its divisors is an integer number (1419085710).

Almost surely, 2^20180373320 is an apocalyptic number.

20180373320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20180373320 is an abundant number, since it is smaller than the sum of its proper divisors (25230369400).

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

20180373320 is a wasteful number, since it uses less digits than its factorization.

20180373320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54485 (or 54481 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The spelling of 20180373320 in words is "twenty billion, one hundred eighty million, three hundred seventy-three thousand, three hundred twenty".