20076893951 has 4 divisors (see below), whose sum is σ = 21133572600. Its totient is φ = 19020215304.

The previous prime is 20076893939. The next prime is 20076893953. The reversal of 20076893951 is 15939867002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15939867002 = 2 ⋅7969933501.

It is a cyclic number.

It is not a de Polignac number, because 20076893951 - 2²⁶ = 20009785087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20076893951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20076893953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528339296 + ... + 528339333.

It is an arithmetic number, because the mean of its divisors is an integer number (5283393150).

Almost surely, 2^20076893951 is an apocalyptic number.

20076893951 is a deficient number, since it is larger than the sum of its proper divisors (1056678649).

20076893951 is a wasteful number, since it uses less digits than its factorization.

20076893951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056678648.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 20076893951 in words is "twenty billion, seventy-six million, eight hundred ninety-three thousand, nine hundred fifty-one".