20039375400 has 96 divisors (see below), whose sum is σ = 67769546400. Its totient is φ = 4858028800.

The previous prime is 20039375351. The next prime is 20039375423. The reversal of 20039375400 is 457393002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1511535 + ... + 1524734.

It is an arithmetic number, because the mean of its divisors is an integer number (705932775).

Almost surely, 2^20039375400 is an apocalyptic number.

20039375400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20039375400 is an abundant number, since it is smaller than the sum of its proper divisors (47730171000).

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

20039375400 is a wasteful number, since it uses less digits than its factorization.

20039375400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036299 (or 3036290 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The spelling of 20039375400 in words is "twenty billion, thirty-nine million, three hundred seventy-five thousand, four hundred".