20023828 has 24 divisors (see below), whose sum is σ = 38342304. Its totient is φ = 9074400.

The previous prime is 20023819. The next prime is 20023837. The reversal of 20023828 is 82832002.

It is an interprime number because it is at equal distance from previous prime (20023819) and next prime (20023837).

It is a congruent number.

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, 24726 + ... + 25522.

It is an arithmetic number, because the mean of its divisors is an integer number (1597596).

Almost surely, 2^20023828 is an apocalyptic number.

It is an amenable number.

20023828 is a deficient number, since it is larger than the sum of its proper divisors (18318476).

20023828 is a wasteful number, since it uses less digits than its factorization.

20023828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20023828 is about 4474.7992133726. The cubic root of 20023828 is about 271.5495174490.

The spelling of 20023828 in words is "twenty million, twenty-three thousand, eight hundred twenty-eight".