20314466557 has 32 divisors (see below), whose sum is σ = 26853513984. Its totient is φ = 14878003200.

The previous prime is 20314466521. The next prime is 20314466567. The reversal of 20314466557 is 75566441302.

It is a cyclic number.

It is not a de Polignac number, because 20314466557 - 2²³ = 20306077949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20314466567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 985953 + ... + 1006345.

It is an arithmetic number, because the mean of its divisors is an integer number (839172312).

Almost surely, 2^20314466557 is an apocalyptic number.

It is an amenable number.

20314466557 is a deficient number, since it is larger than the sum of its proper divisors (6539047427).

20314466557 is a wasteful number, since it uses less digits than its factorization.

20314466557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21189.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 20314466557 in words is "twenty billion, three hundred fourteen million, four hundred sixty-six thousand, five hundred fifty-seven".