20368364 has 24 divisors (see below), whose sum is σ = 36989568. Its totient is φ = 9803520.

The previous prime is 20368339. The next prime is 20368373. The reversal of 20368364 is 46386302.

It is a self number, because there is not a number n which added to its sum of digits gives 20368364.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34052 + ... + 34644.

It is an arithmetic number, because the mean of its divisors is an integer number (1541232).

Almost surely, 2^20368364 is an apocalyptic number.

It is an amenable number.

20368364 is a deficient number, since it is larger than the sum of its proper divisors (16621204).

20368364 is a wasteful number, since it uses less digits than its factorization.

20368364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 20368364 is about 4513.1323933605. The cubic root of 20368364 is about 273.0981233862.

The spelling of 20368364 in words is "twenty million, three hundred sixty-eight thousand, three hundred sixty-four".