20373511679 has 8 divisors (see below), whose sum is σ = 20987028720. Its totient is φ = 19765547200.

The previous prime is 20373511661. The next prime is 20373511681. The reversal of 20373511679 is 97611537302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20373511679 - 2⁸ = 20373511423 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 (20373511079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380692 + ... + 1395369.

It is an arithmetic number, because the mean of its divisors is an integer number (2623378590).

Almost surely, 2^20373511679 is an apocalyptic number.

20373511679 is a deficient number, since it is larger than the sum of its proper divisors (613517041).

20373511679 is a wasteful number, since it uses less digits than its factorization.

20373511679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776281.

The product of its (nonzero) digits is 238140, while the sum is 44.

The spelling of 20373511679 in words is "twenty billion, three hundred seventy-three million, five hundred eleven thousand, six hundred seventy-nine".