20012896 has 24 divisors (see below), whose sum is σ = 39848760. Its totient is φ = 9892608.

The previous prime is 20012873. The next prime is 20012903. The reversal of 20012896 is 69821002.

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, 666 + ... + 6361.

It is an arithmetic number, because the mean of its divisors is an integer number (1660365).

Almost surely, 2^20012896 is an apocalyptic number.

It is an amenable number.

20012896 is a deficient number, since it is larger than the sum of its proper divisors (19835864).

20012896 is an equidigital number, since it uses as much as digits as its factorization.

20012896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7126 (or 7118 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 20012896 is about 4473.5775392855. The cubic root of 20012896 is about 271.5000910070.

Adding to 20012896 its reverse (69821002), we get a palindrome (89833898).

The spelling of 20012896 in words is "twenty million, twelve thousand, eight hundred ninety-six".