20314969 has 2 divisors, whose sum is σ = 20314970. Its totient is φ = 20314968.

The previous prime is 20314937. The next prime is 20314981. The reversal of 20314969 is 96941302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18318400 + 1996569 = 4280^2 + 1413^2 .

It is a cyclic number.

It is not a de Polignac number, because 20314969 - 2⁵ = 20314937 is a prime.

It is a super-2 number, since 2×20314969² = 825395930941922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20314919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10157484 + 10157485.

It is an arithmetic number, because the mean of its divisors is an integer number (10157485).

Almost surely, 2^20314969 is an apocalyptic number.

It is an amenable number.

20314969 is a deficient number, since it is larger than the sum of its proper divisors (1).

20314969 is an equidigital number, since it uses as much as digits as its factorization.

20314969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 20314969 is about 4507.2129969639. The cubic root of 20314969 is about 272.8592752878.

The spelling of 20314969 in words is "twenty million, three hundred fourteen thousand, nine hundred sixty-nine".