20623832 has 32 divisors (see below), whose sum is σ = 39916800. Its totient is φ = 9983904.

The previous prime is 20623829. The next prime is 20623853. The reversal of 20623832 is 23832602.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 57269 + ... + 57627.

It is an arithmetic number, because the mean of its divisors is an integer number (1247400).

Almost surely, 2^20623832 is an apocalyptic number.

It is an amenable number.

20623832 is a deficient number, since it is larger than the sum of its proper divisors (19292968).

20623832 is a wasteful number, since it uses less digits than its factorization.

20623832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20623832 is about 4541.3469367579. The cubic root of 20623832 is about 274.2351507530.

The spelling of 20623832 in words is "twenty million, six hundred twenty-three thousand, eight hundred thirty-two".