20361313356524 has 144 divisors (see below), whose sum is σ = 45488466777600. Its totient is φ = 7922386652544.

The previous prime is 20361313356511. The next prime is 20361313356539. The reversal of 20361313356524 is 42565331316302.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7287437 + ... + 9686555.

It is an arithmetic number, because the mean of its divisors is an integer number (315892130400).

Almost surely, 2^{20361313356524} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20361313356524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22744233388800).

20361313356524 is an abundant number, since it is smaller than the sum of its proper divisors (25127153421076).

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

20361313356524 is a wasteful number, since it uses less digits than its factorization.

20361313356524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399252 (or 2399243 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 44.

The spelling of 20361313356524 in words is "twenty trillion, three hundred sixty-one billion, three hundred thirteen million, three hundred fifty-six thousand, five hundred twenty-four".