20654896 has 20 divisors (see below), whose sum is σ = 40176000. Its totient is φ = 10286912.

The previous prime is 20654891. The next prime is 20654903. The reversal of 20654896 is 69845602.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20654891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905 + ... + 6703.

It is an arithmetic number, because the mean of its divisors is an integer number (2008800).

Almost surely, 2^20654896 is an apocalyptic number.

It is an amenable number.

20654896 is a deficient number, since it is larger than the sum of its proper divisors (19521104).

20654896 is a wasteful number, since it uses less digits than its factorization.

20654896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076 (or 5070 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 20654896 is about 4544.7657805436. The cubic root of 20654896 is about 274.3727677134.

The spelling of 20654896 in words is "twenty million, six hundred fifty-four thousand, eight hundred ninety-six".