20334871 has 2 divisors, whose sum is σ = 20334872. Its totient is φ = 20334870.

The previous prime is 20334863. The next prime is 20334877. The reversal of 20334871 is 17843302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20334871 - 2³ = 20334863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20334877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167435 + 10167436.

It is an arithmetic number, because the mean of its divisors is an integer number (10167436).

Almost surely, 2^20334871 is an apocalyptic number.

20334871 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334871 is an equidigital number, since it uses as much as digits as its factorization.

20334871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20334871 is about 4509.4202509857. The cubic root of 20334871 is about 272.9483503750.

The spelling of 20334871 in words is "twenty million, three hundred thirty-four thousand, eight hundred seventy-one".