20412573630516 has 72 divisors (see below), whose sum is σ = 51862746839904. Its totient is φ = 6769342050240.

The previous prime is 20412573630497. The next prime is 20412573630577. The reversal of 20412573630516 is 61503637521402.

20412573630516 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 2 + 5 + 7 + 3 + 630 + 5 + 1 + 6 = 666.

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, 195765091 + ... + 195869333.

It is an arithmetic number, because the mean of its divisors is an integer number (720315928332).

Almost surely, 2^{20412573630516} is an apocalyptic number.

It is an amenable number.

20412573630516 is an abundant number, since it is smaller than the sum of its proper divisors (31450173209388).

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

20412573630516 is a wasteful number, since it uses less digits than its factorization.

20412573630516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132061 (or 132056 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 20412573630516 in words is "twenty trillion, four hundred twelve billion, five hundred seventy-three million, six hundred thirty thousand, five hundred sixteen".