20625776 has 10 divisors (see below), whose sum is σ = 39962472. Its totient is φ = 10312880.

The previous prime is 20625769. The next prime is 20625797. The reversal of 20625776 is 67752602.

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 as a sum of consecutive naturals, namely, 644540 + ... + 644571.

Almost surely, 2^20625776 is an apocalyptic number.

It is an amenable number.

20625776 is a deficient number, since it is larger than the sum of its proper divisors (19336696).

20625776 is a wasteful number, since it uses less digits than its factorization.

20625776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289119 (or 1289113 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 20625776 is about 4541.5609651308. The cubic root of 20625776 is about 274.2437669400.

The spelling of 20625776 in words is "twenty million, six hundred twenty-five thousand, seven hundred seventy-six".