20315456540654 has 32 divisors (see below), whose sum is σ = 33343419038976. Its totient is φ = 9206576709120.

The previous prime is 20315456540579. The next prime is 20315456540711. The reversal of 20315456540654 is 45604565451302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8973407 + ... + 11006949.

It is an arithmetic number, because the mean of its divisors is an integer number (1041981844968).

Almost surely, 2^{20315456540654} is an apocalyptic number.

20315456540654 is a deficient number, since it is larger than the sum of its proper divisors (13027962498322).

20315456540654 is a wasteful number, since it uses less digits than its factorization.

20315456540654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034920.

The product of its (nonzero) digits is 8640000, while the sum is 50.

The spelling of 20315456540654 in words is "twenty trillion, three hundred fifteen billion, four hundred fifty-six million, five hundred forty thousand, six hundred fifty-four".