20007706612 has 6 divisors (see below), whose sum is σ = 35013486578. Its totient is φ = 10003853304.

The previous prime is 20007706603. The next prime is 20007706639. The reversal of 20007706612 is 21660770002.

It can be written as a sum of positive squares in only one way, i.e., 11749259236 + 8258447376 = 108394^2 + 90876^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500963323 + ... + 2500963330.

Almost surely, 2^20007706612 is an apocalyptic number.

It is an amenable number.

20007706612 is a deficient number, since it is larger than the sum of its proper divisors (15005779966).

20007706612 is a wasteful number, since it uses less digits than its factorization.

20007706612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001926657 (or 5001926655 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The spelling of 20007706612 in words is "twenty billion, seven million, seven hundred six thousand, six hundred twelve".