20102331232 has 48 divisors (see below), whose sum is σ = 40051972800. Its totient is φ = 9931098240.

The previous prime is 20102331229. The next prime is 20102331233. The reversal of 20102331232 is 23213320102.

It is a super-2 number, since 2×20102331232² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102331233) 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, 927819 + ... + 949237.

It is an arithmetic number, because the mean of its divisors is an integer number (834416100).

Almost surely, 2^20102331232 is an apocalyptic number.

It is an amenable number.

20102331232 is a deficient number, since it is larger than the sum of its proper divisors (19949641568).

20102331232 is a wasteful number, since it uses less digits than its factorization.

20102331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21779 (or 21771 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20102331232 its reverse (23213320102), we get a palindrome (43315651334).

The spelling of 20102331232 in words is "twenty billion, one hundred two million, three hundred thirty-one thousand, two hundred thirty-two".