20166364 has 12 divisors (see below), whose sum is σ = 35325864. Its totient is φ = 10073264.

The previous prime is 20166359. The next prime is 20166371. The reversal of 20166364 is 46366102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3942 + ... + 7474.

It is an arithmetic number, because the mean of its divisors is an integer number (2943822).

Almost surely, 2^20166364 is an apocalyptic number.

It is an amenable number.

20166364 is a deficient number, since it is larger than the sum of its proper divisors (15159500).

20166364 is a wasteful number, since it uses less digits than its factorization.

20166364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964 (or 4962 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 20166364 is about 4490.6974959353. The cubic root of 20166364 is about 272.1923200129.

The spelling of 20166364 in words is "twenty million, one hundred sixty-six thousand, three hundred sixty-four".