20192873679 has 24 divisors (see below), whose sum is σ = 31936529664. Its totient is φ = 12192930000.

The previous prime is 20192873677. The next prime is 20192873699. The reversal of 20192873679 is 97637829102.

It is not a de Polignac number, because 20192873679 - 2¹ = 20192873677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20192873677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349497 + ... + 403154.

It is an arithmetic number, because the mean of its divisors is an integer number (1330688736).

Almost surely, 2^20192873679 is an apocalyptic number.

20192873679 is a deficient number, since it is larger than the sum of its proper divisors (11743655985).

20192873679 is a wasteful number, since it uses less digits than its factorization.

20192873679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752939 (or 752936 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 20192873679 in words is "twenty billion, one hundred ninety-two million, eight hundred seventy-three thousand, six hundred seventy-nine".