20089296 has 60 divisors (see below), whose sum is σ = 58315712. Its totient is φ = 6695136.

The previous prime is 20089283. The next prime is 20089297. The reversal of 20089296 is 69298002.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20089296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20089297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1305 + ... + 6471.

Almost surely, 2^20089296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20089296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29157856).

20089296 is an abundant number, since it is smaller than the sum of its proper divisors (38226416).

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

20089296 is an equidigital number, since it uses as much as digits as its factorization.

20089296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190 (or 5172 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 20089296 is about 4482.1084324233. The cubic root of 20089296 is about 271.8451396456.

The spelling of 20089296 in words is "twenty million, eighty-nine thousand, two hundred ninety-six".