20223312232 has 16 divisors (see below), whose sum is σ = 37936289700. Its totient is φ = 10106968320.

The previous prime is 20223312229. The next prime is 20223312293. The reversal of 20223312232 is 23221332202.

It can be written as a sum of positive squares in 2 ways, for example, as 20188431396 + 34880836 = 142086^2 + 5906^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567607 + ... + 602182.

Almost surely, 2^20223312232 is an apocalyptic number.

It is an amenable number.

20223312232 is a deficient number, since it is larger than the sum of its proper divisors (17712977468).

20223312232 is a wasteful number, since it uses less digits than its factorization.

20223312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171956 (or 1171952 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20223312232 its reverse (23221332202), we get a palindrome (43444644434).

The spelling of 20223312232 in words is "twenty billion, two hundred twenty-three million, three hundred twelve thousand, two hundred thirty-two".