20437364 has 12 divisors (see below), whose sum is σ = 36372000. Its totient is φ = 10045368.

The previous prime is 20437327. The next prime is 20437381. The reversal of 20437364 is 46373402.

It is a happy number.

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, 43064 + ... + 43535.

It is an arithmetic number, because the mean of its divisors is an integer number (3031000).

Almost surely, 2^20437364 is an apocalyptic number.

It is an amenable number.

20437364 is a deficient number, since it is larger than the sum of its proper divisors (15934636).

20437364 is a wasteful number, since it uses less digits than its factorization.

20437364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86662 (or 86660 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 20437364 is about 4520.7702883469. The cubic root of 20437364 is about 273.4061587959.

The spelling of 20437364 in words is "twenty million, four hundred thirty-seven thousand, three hundred sixty-four".