20520625535630 has 16 divisors (see below), whose sum is σ = 40295046506544. Its totient is φ = 7462045649280.

The previous prime is 20520625535593. The next prime is 20520625535653. The reversal of 20520625535630 is 3653552602502.

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, 93275570507 + ... + 93275570726.

It is an arithmetic number, because the mean of its divisors is an integer number (2518440406659).

Almost surely, 2^{20520625535630} is an apocalyptic number.

20520625535630 is a deficient number, since it is larger than the sum of its proper divisors (19774420970914).

20520625535630 is a wasteful number, since it uses less digits than its factorization.

20520625535630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186551141251.

The product of its (nonzero) digits is 1620000, while the sum is 44.

The spelling of 20520625535630 in words is "twenty trillion, five hundred twenty billion, six hundred twenty-five million, five hundred thirty-five thousand, six hundred thirty".