20144767964700 has 72 divisors (see below), whose sum is σ = 58517742124800. Its totient is φ = 5350535960000.

The previous prime is 20144767964687. The next prime is 20144767964743. The reversal of 20144767964700 is 746976744102.

It is a congruent number.

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, 133688100 + ... + 133838699.

It is an arithmetic number, because the mean of its divisors is an integer number (812746418400).

Almost surely, 2^{20144767964700} is an apocalyptic number.

20144767964700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20144767964700 is an abundant number, since it is smaller than the sum of its proper divisors (38372974160100).

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

20144767964700 is a wasteful number, since it uses less digits than its factorization.

20144767964700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267527067 (or 267527060 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 20144767964700 in words is "twenty trillion, one hundred forty-four billion, seven hundred sixty-seven million, nine hundred sixty-four thousand, seven hundred".