20089692 has 72 divisors (see below), whose sum is σ = 60060000. Its totient is φ = 5539968.

The previous prime is 20089691. The next prime is 20089697. The reversal of 20089692 is 29698002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20089691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5934 + ... + 8682.

Almost surely, 2^20089692 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 20089692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30030000).

20089692 is an abundant number, since it is smaller than the sum of its proper divisors (39970308).

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

20089692 is a wasteful number, since it uses less digits than its factorization.

20089692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795 (or 2790 counting only the distinct ones).

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

The square root of 20089692 is about 4482.1526078437. The cubic root of 20089692 is about 271.8469258368.

The spelling of 20089692 in words is "twenty million, eighty-nine thousand, six hundred ninety-two".