20003512662634 has 16 divisors (see below), whose sum is σ = 30385264204800. Its totient is φ = 9875092775184.

The previous prime is 20003512662587. The next prime is 20003512662641. The reversal of 20003512662634 is 43626621530002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39157584 + ... + 39665140.

It is an arithmetic number, because the mean of its divisors is an integer number (1899079012800).

Almost surely, 2^{20003512662634} is an apocalyptic number.

20003512662634 is a deficient number, since it is larger than the sum of its proper divisors (10381751542166).

20003512662634 is a wasteful number, since it uses less digits than its factorization.

20003512662634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757077.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 20003512662634 in words is "twenty trillion, three billion, five hundred twelve million, six hundred sixty-two thousand, six hundred thirty-four".