20168264 has 16 divisors (see below), whose sum is σ = 38620800. Its totient is φ = 9869392.

The previous prime is 20168257. The next prime is 20168279. The reversal of 20168264 is 46286102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26444 + ... + 27195.

It is an arithmetic number, because the mean of its divisors is an integer number (2413800).

Almost surely, 2^20168264 is an apocalyptic number.

It is an amenable number.

20168264 is a deficient number, since it is larger than the sum of its proper divisors (18452536).

20168264 is a wasteful number, since it uses less digits than its factorization.

20168264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53692 (or 53688 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 20168264 is about 4490.9090393817. The cubic root of 20168264 is about 272.2008680613.

The spelling of 20168264 in words is "twenty million, one hundred sixty-eight thousand, two hundred sixty-four".