20321242332 has 96 divisors (see below), whose sum is σ = 50945448960. Its totient is φ = 6282024960.

The previous prime is 20321242327. The next prime is 20321242343. The reversal of 20321242332 is 23324212302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3882157 + ... + 3887387.

It is an arithmetic number, because the mean of its divisors is an integer number (530681760).

Almost surely, 2^20321242332 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 20321242332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25472724480).

20321242332 is an abundant number, since it is smaller than the sum of its proper divisors (30624206628).

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

20321242332 is a wasteful number, since it uses less digits than its factorization.

20321242332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531 (or 5529 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20321242332 its reverse (23324212302), we get a palindrome (43645454634).

The spelling of 20321242332 in words is "twenty billion, three hundred twenty-one million, two hundred forty-two thousand, three hundred thirty-two".