20120573464 has 8 divisors (see below), whose sum is σ = 37726075260. Its totient is φ = 10060286728.

The previous prime is 20120573387. The next prime is 20120573513. The reversal of 20120573464 is 46437502102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257535834 + ... + 1257535849.

Almost surely, 2^20120573464 is an apocalyptic number.

It is an amenable number.

20120573464 is a deficient number, since it is larger than the sum of its proper divisors (17605501796).

20120573464 is a wasteful number, since it uses less digits than its factorization.

20120573464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515071689 (or 2515071685 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 20120573464 in words is "twenty billion, one hundred twenty million, five hundred seventy-three thousand, four hundred sixty-four".