20108652379 has 6 divisors (see below), whose sum is σ = 20443710300. Its totient is φ = 19778998680.

The previous prime is 20108652373. The next prime is 20108652383. The reversal of 20108652379 is 97325680102.

It is not a de Polignac number, because 20108652379 - 2³ = 20108652371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20108652371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2698329 + ... + 2705770.

It is an arithmetic number, because the mean of its divisors is an integer number (3407285050).

Almost surely, 2^20108652379 is an apocalyptic number.

20108652379 is a deficient number, since it is larger than the sum of its proper divisors (335057921).

20108652379 is an frugal number, since it uses more digits than its factorization.

20108652379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404221 (or 5404160 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 20108652379 in words is "twenty billion, one hundred eight million, six hundred fifty-two thousand, three hundred seventy-nine".