20346045879 has 8 divisors (see below), whose sum is σ = 27131668992. Its totient is φ = 13562226680.

The previous prime is 20346045877. The next prime is 20346045887. The reversal of 20346045879 is 97854064302.

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 20346045879 - 2¹ = 20346045877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346045877) 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, 424437 + ... + 469934.

It is an arithmetic number, because the mean of its divisors is an integer number (3391458624).

Almost surely, 2^20346045879 is an apocalyptic number.

20346045879 is a deficient number, since it is larger than the sum of its proper divisors (6785623113).

20346045879 is an equidigital number, since it uses as much as digits as its factorization.

20346045879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901957.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 20346045879 in words is "twenty billion, three hundred forty-six million, forty-five thousand, eight hundred seventy-nine".