20387752624 has 10 divisors (see below), whose sum is σ = 39501270740. Its totient is φ = 10193876304.

The previous prime is 20387752603. The next prime is 20387752643. The reversal of 20387752624 is 42625778302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637117254 + ... + 637117285.

It is an arithmetic number, because the mean of its divisors is an integer number (3950127074).

Almost surely, 2^20387752624 is an apocalyptic number.

It is an amenable number.

20387752624 is a deficient number, since it is larger than the sum of its proper divisors (19113518116).

20387752624 is a wasteful number, since it uses less digits than its factorization.

20387752624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274234547 (or 1274234541 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 20387752624 in words is "twenty billion, three hundred eighty-seven million, seven hundred fifty-two thousand, six hundred twenty-four".