20008753210518 has 64 divisors (see below), whose sum is σ = 40548076208640. Its totient is φ = 6581579645952.

The previous prime is 20008753210483. The next prime is 20008753210553. The reversal of 20008753210518 is 81501235780002.

It is an interprime number because it is at equal distance from previous prime (20008753210483) and next prime (20008753210553).

It is a self number, because there is not a number n which added to its sum of digits gives 20008753210518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358468380 + ... + 358524192.

It is an arithmetic number, because the mean of its divisors is an integer number (633563690760).

Almost surely, 2^{20008753210518} is an apocalyptic number.

20008753210518 is an abundant number, since it is smaller than the sum of its proper divisors (20539322998122).

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

20008753210518 is a wasteful number, since it uses less digits than its factorization.

20008753210518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57701.

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 20008753210518 in words is "twenty trillion, eight billion, seven hundred fifty-three million, two hundred ten thousand, five hundred eighteen".