20325699 has 12 divisors (see below), whose sum is σ = 29484312. Its totient is φ = 13492800.

The previous prime is 20325653. The next prime is 20325707. The reversal of 20325699 is 99652302.

It is not a de Polignac number, because 20325699 - 2⁸ = 20325443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20325619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2517 + ... + 6854.

It is an arithmetic number, because the mean of its divisors is an integer number (2457026).

Almost surely, 2^20325699 is an apocalyptic number.

20325699 is a deficient number, since it is larger than the sum of its proper divisors (9158613).

20325699 is a wasteful number, since it uses less digits than its factorization.

20325699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9618 (or 9615 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 20325699 is about 4508.4031541112. The cubic root of 20325699 is about 272.9073066140.

The spelling of 20325699 in words is "twenty million, three hundred twenty-five thousand, six hundred ninety-nine".