20432316524979 has 4 divisors (see below), whose sum is σ = 27243088699976. Its totient is φ = 13621544349984.

The previous prime is 20432316524957. The next prime is 20432316524981. The reversal of 20432316524979 is 97942561323402.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20432316524979 - 2²⁰ = 20432315476403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20432316524479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3405386087494 + ... + 3405386087499.

It is an arithmetic number, because the mean of its divisors is an integer number (6810772174994).

Almost surely, 2^{20432316524979} is an apocalyptic number.

20432316524979 is a deficient number, since it is larger than the sum of its proper divisors (6810772174997).

20432316524979 is an equidigital number, since it uses as much as digits as its factorization.

20432316524979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810772174996.

The product of its (nonzero) digits is 19595520, while the sum is 57.

The spelling of 20432316524979 in words is "twenty trillion, four hundred thirty-two billion, three hundred sixteen million, five hundred twenty-four thousand, nine hundred seventy-nine".