20612601524 has 48 divisors (see below), whose sum is σ = 38717300160. Its totient is φ = 9567936000.

The previous prime is 20612601491. The next prime is 20612601563. The reversal of 20612601524 is 42510621602.

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, 1676399 + ... + 1688649.

It is an arithmetic number, because the mean of its divisors is an integer number (806610420).

Almost surely, 2^20612601524 is an apocalyptic number.

It is an amenable number.

20612601524 is a deficient number, since it is larger than the sum of its proper divisors (18104698636).

20612601524 is a wasteful number, since it uses less digits than its factorization.

20612601524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12608 (or 12606 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 20612601524 in words is "twenty billion, six hundred twelve million, six hundred one thousand, five hundred twenty-four".