20120230332 has 48 divisors (see below), whose sum is σ = 52173452800. Its totient is φ = 6705471600.

The previous prime is 20120230331. The next prime is 20120230343. The reversal of 20120230332 is 23303202102.

It is a happy number.

It is a super-2 number, since 2×20120230332² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120230331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682269 + ... + 711147.

Almost surely, 2^20120230332 is an apocalyptic number.

It is an amenable number.

20120230332 is an abundant number, since it is smaller than the sum of its proper divisors (32053222468).

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

20120230332 is a wasteful number, since it uses less digits than its factorization.

20120230332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35343 (or 35335 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20120230332 its reverse (23303202102), we get a palindrome (43423432434).

The spelling of 20120230332 in words is "twenty billion, one hundred twenty million, two hundred thirty thousand, three hundred thirty-two".