20079862875136 has 99 divisors (see below), whose sum is σ = 40380319431543. Its totient is φ = 9980207923200.

The previous prime is 20079862875113. The next prime is 20079862875161. The reversal of 20079862875136 is 63157826897002.

The square root of 20079862875136 is 4481056.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 64475366400 + 20015387508736 = 253920^2 + 4473856^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33410753236 + ... + 33410753836.

Almost surely, 2^{20079862875136} is an apocalyptic number.

20079862875136 is the 4481056-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20079862875136

20079862875136 is an abundant number, since it is smaller than the sum of its proper divisors (20300456556407).

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

20079862875136 is an frugal number, since it uses more digits than its factorization.

20079862875136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 64.

20079862875136 divided by its sum of digits (64) gives a square (313747857424 = 560132²).

The spelling of 20079862875136 in words is "twenty trillion, seventy-nine billion, eight hundred sixty-two million, eight hundred seventy-five thousand, one hundred thirty-six".