20004502644315 has 64 divisors (see below), whose sum is σ = 40902948587520. Its totient is φ = 9086667557760.

The previous prime is 20004502644197. The next prime is 20004502644323. The reversal of 20004502644315 is 51344620540002.

20004502644315 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 4 + 5 + 0 + 2 + 644 + 3 + 1 + 5 = 666.

It is not a de Polignac number, because 20004502644315 - 2¹³ = 20004502636123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20004502644315.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67268151 + ... + 67564880.

It is an arithmetic number, because the mean of its divisors is an integer number (639108571680).

Almost surely, 2^{20004502644315} is an apocalyptic number.

20004502644315 is an abundant number, since it is smaller than the sum of its proper divisors (20898445943205).

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

20004502644315 is a wasteful number, since it uses less digits than its factorization.

20004502644315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134833209 (or 134833203 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 20004502644315 in words is "twenty trillion, four billion, five hundred two million, six hundred forty-four thousand, three hundred fifteen".