20112032 has 36 divisors (see below), whose sum is σ = 41813226. Its totient is φ = 9521280.

The previous prime is 20112031. The next prime is 20112061. The reversal of 20112032 is 23021102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20106256 + 5776 = 4484^2 + 76^2 .

It is not an unprimeable number, because it can be changed into a prime (20112031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10682 + ... + 12422.

Almost surely, 2^20112032 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 20112032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20906613).

20112032 is an abundant number, since it is smaller than the sum of its proper divisors (21701194).

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

20112032 is a wasteful number, since it uses less digits than its factorization.

20112032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20112032 is about 4484.6440215473. The cubic root of 20112032 is about 271.9476542867.

Adding to 20112032 its reverse (23021102), we get a palindrome (43133134).

The spelling of 20112032 in words is "twenty million, one hundred twelve thousand, thirty-two".