20039075387800 has 144 divisors (see below), whose sum is σ = 54522060208560. Its totient is φ = 6829398616320.

The previous prime is 20039075387753. The next prime is 20039075387839. The reversal of 20039075387800 is 878357093002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4485567 + ... + 7758766.

It is an arithmetic number, because the mean of its divisors is an integer number (378625418115).

Almost surely, 2^{20039075387800} is an apocalyptic number.

20039075387800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20039075387800 is an abundant number, since it is smaller than the sum of its proper divisors (34482984820760).

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

20039075387800 is a wasteful number, since it uses less digits than its factorization.

20039075387800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12244530 (or 12244514 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 20039075387800 in words is "twenty trillion, thirty-nine billion, seventy-five million, three hundred eighty-seven thousand, eight hundred".