20330867 has 2 divisors, whose sum is σ = 20330868. Its totient is φ = 20330866.

The previous prime is 20330857. The next prime is 20330879. The reversal of 20330867 is 76803302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20330867 - 2⁴ = 20330851 is a prime.

It is not a weakly prime, because it can be changed into another prime (20330857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165433 + 10165434.

It is an arithmetic number, because the mean of its divisors is an integer number (10165434).

Almost surely, 2^20330867 is an apocalyptic number.

20330867 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330867 is an equidigital number, since it uses as much as digits as its factorization.

20330867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20330867 is about 4508.9762696204. The cubic root of 20330867 is about 272.9304344031.

The spelling of 20330867 in words is "twenty million, three hundred thirty thousand, eight hundred sixty-seven".