20072961279 has 192 divisors, whose sum is σ = 36655590400. Its totient is φ = 10561985280.

The previous prime is 20072961269. The next prime is 20072961287. The reversal of 20072961279 is 97216927002.

20072961279 is a `hidden beast` number, since 2 + 0 + 0 + 7 + 29 + 612 + 7 + 9 = 666.

It is not a de Polignac number, because 20072961279 - 2¹⁵ = 20072928511 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 (20072961239) by changing a digit.

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 in 191 ways as a sum of consecutive naturals, for example, 299596404 + ... + 299596470.

Almost surely, 2^20072961279 is an apocalyptic number.

20072961279 is a deficient number, since it is larger than the sum of its proper divisors (16582629121).

20072961279 is a wasteful number, since it uses less digits than its factorization.

20072961279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 20072961279 in words is "twenty billion, seventy-two million, nine hundred sixty-one thousand, two hundred seventy-nine".