20413032379 has 2 divisors, whose sum is σ = 20413032380. Its totient is φ = 20413032378.

The previous prime is 20413032377. The next prime is 20413032391. The reversal of 20413032379 is 97323031402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20413032379 - 2¹ = 20413032377 is a prime.

It is a super-2 number, since 2×20413032379² (a number of 21 digits) contains 22 as substring.

Together with 20413032377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20413032371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206516189 + 10206516190.

It is an arithmetic number, because the mean of its divisors is an integer number (10206516190).

Almost surely, 2^20413032379 is an apocalyptic number.

20413032379 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413032379 is an equidigital number, since it uses as much as digits as its factorization.

20413032379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 20413032379 in words is "twenty billion, four hundred thirteen million, thirty-two thousand, three hundred seventy-nine".