20089896 has 16 divisors (see below), whose sum is σ = 50224800. Its totient is φ = 6696624.

The previous prime is 20089889. The next prime is 20089921. The reversal of 20089896 is 69898002.

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, 418516 + ... + 418563.

It is an arithmetic number, because the mean of its divisors is an integer number (3139050).

Almost surely, 2^20089896 is an apocalyptic number.

It is an amenable number.

20089896 is an abundant number, since it is smaller than the sum of its proper divisors (30134904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20089896 is a wasteful number, since it uses less digits than its factorization.

20089896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837088 (or 837084 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 20089896 is about 4482.1753647085. The cubic root of 20089896 is about 271.8478459867.

The spelling of 20089896 in words is "twenty million, eighty-nine thousand, eight hundred ninety-six".