20514545312630 has 32 divisors (see below), whose sum is σ = 36962293159008. Its totient is φ = 8197795411200.

The previous prime is 20514545312581. The next prime is 20514545312647. The reversal of 20514545312630 is 3621354541502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81035450 + ... + 81288210.

It is an arithmetic number, because the mean of its divisors is an integer number (1155071661219).

Almost surely, 2^{20514545312630} is an apocalyptic number.

20514545312630 is a deficient number, since it is larger than the sum of its proper divisors (16447747846378).

20514545312630 is a wasteful number, since it uses less digits than its factorization.

20514545312630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260672.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 20514545312630 in words is "twenty trillion, five hundred fourteen billion, five hundred forty-five million, three hundred twelve thousand, six hundred thirty".