20321234332 has 18 divisors (see below), whose sum is σ = 41368227432. Its totient is φ = 8709100344.

The previous prime is 20321234261. The next prime is 20321234341. The reversal of 20321234332 is 23343212302.

It is a junction number, because it is equal to n+sod(n) for n = 20321234297 and 20321234306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51839688 + ... + 51840079.

Almost surely, 2^20321234332 is an apocalyptic number.

It is an amenable number.

20321234332 is an abundant number, since it is smaller than the sum of its proper divisors (21046993100).

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

20321234332 is a wasteful number, since it uses less digits than its factorization.

20321234332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103679785 (or 103679776 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20321234332 its reverse (23343212302), we get a palindrome (43664446634).

The spelling of 20321234332 in words is "twenty billion, three hundred twenty-one million, two hundred thirty-four thousand, three hundred thirty-two".