20712966079 has 16 divisors (see below), whose sum is σ = 22511377728. Its totient is φ = 18944589312.

The previous prime is 20712966023. The next prime is 20712966083. The reversal of 20712966079 is 97066921702.

It is a cyclic number.

It is not a de Polignac number, because 20712966079 - 2¹³ = 20712957887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20712966979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673159 + ... + 703255.

It is an arithmetic number, because the mean of its divisors is an integer number (1406961108).

Almost surely, 2^20712966079 is an apocalyptic number.

20712966079 is a deficient number, since it is larger than the sum of its proper divisors (1798411649).

20712966079 is a wasteful number, since it uses less digits than its factorization.

20712966079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30594.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 20712966079 in words is "twenty billion, seven hundred twelve million, nine hundred sixty-six thousand, seventy-nine".