20013607456080 has 160 divisors (see below), whose sum is σ = 70957458217728. Its totient is φ = 4571177164800.

The previous prime is 20013607456043. The next prime is 20013607456187. The reversal of 20013607456080 is 8065470631002.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 2090031 + ... + 6662990.

Almost surely, 2^{20013607456080} is an apocalyptic number.

20013607456080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013607456080 is an abundant number, since it is smaller than the sum of its proper divisors (50943850761648).

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

20013607456080 is a wasteful number, since it uses less digits than its factorization.

20013607456080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8754405 (or 8754399 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 20013607456080 in words is "twenty trillion, thirteen billion, six hundred seven million, four hundred fifty-six thousand, eighty".