20207423379 has 24 divisors (see below), whose sum is σ = 31893393616. Its totient is φ = 11304849600.

The previous prime is 20207423347. The next prime is 20207423393. The reversal of 20207423379 is 97332470202.

It is not a de Polignac number, because 20207423379 - 2⁵ = 20207423347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20207423309) 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 23 ways as a sum of consecutive naturals, for example, 2136352 + ... + 2145789.

Almost surely, 2^20207423379 is an apocalyptic number.

20207423379 is a deficient number, since it is larger than the sum of its proper divisors (11685970237).

20207423379 is a wasteful number, since it uses less digits than its factorization.

20207423379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282179 (or 4282168 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The spelling of 20207423379 in words is "twenty billion, two hundred seven million, four hundred twenty-three thousand, three hundred seventy-nine".