20089612 has 24 divisors (see below), whose sum is σ = 38205440. Its totient is φ = 9208080.

The previous prime is 20089609. The next prime is 20089613. The reversal of 20089612 is 21698002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20089613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1908 + ... + 6619.

Almost surely, 2^20089612 is an apocalyptic number.

It is an amenable number.

20089612 is a deficient number, since it is larger than the sum of its proper divisors (18115828).

20089612 is a wasteful number, since it uses less digits than its factorization.

20089612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8581 (or 8579 counting only the distinct ones).

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

The square root of 20089612 is about 4482.1436835514. The cubic root of 20089612 is about 271.8465649920.

The spelling of 20089612 in words is "twenty million, eighty-nine thousand, six hundred twelve".