20376313 has 2 divisors, whose sum is σ = 20376314. Its totient is φ = 20376312.

The previous prime is 20376311. The next prime is 20376329. The reversal of 20376313 is 31367302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19607184 + 769129 = 4428^2 + 877^2 .

It is a cyclic number.

It is not a de Polignac number, because 20376313 - 2¹ = 20376311 is a prime.

Together with 20376311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20376311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10188156 + 10188157.

It is an arithmetic number, because the mean of its divisors is an integer number (10188157).

Almost surely, 2^20376313 is an apocalyptic number.

It is an amenable number.

20376313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20376313 is an equidigital number, since it uses as much as digits as its factorization.

20376313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 20376313 is about 4514.0129596624. The cubic root of 20376313 is about 273.1336453791.

The spelling of 20376313 in words is "twenty million, three hundred seventy-six thousand, three hundred thirteen".