20313707 has 2 divisors, whose sum is σ = 20313708. Its totient is φ = 20313706.

The previous prime is 20313701. The next prime is 20313731. The reversal of 20313707 is 70731302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20313707 - 2¹⁰ = 20312683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20313701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156853 + 10156854.

It is an arithmetic number, because the mean of its divisors is an integer number (10156854).

Almost surely, 2^20313707 is an apocalyptic number.

20313707 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313707 is an equidigital number, since it uses as much as digits as its factorization.

20313707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 20313707 is about 4507.0729969682. The cubic root of 20313707 is about 272.8536250119.

The spelling of 20313707 in words is "twenty million, three hundred thirteen thousand, seven hundred seven".