20313459 has 6 divisors (see below), whose sum is σ = 29341676. Its totient is φ = 13542300.

The previous prime is 20313437. The next prime is 20313467. The reversal of 20313459 is 95431302.

20313459 is a `hidden beast` number, since 203 + 1 + 3 + 459 = 666.

It is not a de Polignac number, because 20313459 - 2⁸ = 20313203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20333459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1128517 + ... + 1128534.

Almost surely, 2^20313459 is an apocalyptic number.

20313459 is a deficient number, since it is larger than the sum of its proper divisors (9028217).

20313459 is a wasteful number, since it uses less digits than its factorization.

20313459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257057 (or 2257054 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 20313459 is about 4507.0454845719. The cubic root of 20313459 is about 272.8525146291.

The spelling of 20313459 in words is "twenty million, three hundred thirteen thousand, four hundred fifty-nine".