20015455346364 has 24 divisors (see below), whose sum is σ = 47156153699200. Its totient is φ = 6607043511984.

The previous prime is 20015455346357. The next prime is 20015455346371. The reversal of 20015455346364 is 46364355451002.

It is an interprime number because it is at equal distance from previous prime (20015455346357) and next prime (20015455346371).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8096865814 + ... + 8096868285.

Almost surely, 2^{20015455346364} is an apocalyptic number.

It is an amenable number.

20015455346364 is an abundant number, since it is smaller than the sum of its proper divisors (27140698352836).

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

20015455346364 is a wasteful number, since it uses less digits than its factorization.

20015455346364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16193734209 (or 16193734207 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 20015455346364 in words is "twenty trillion, fifteen billion, four hundred fifty-five million, three hundred forty-six thousand, three hundred sixty-four".