20233211312 has 40 divisors (see below), whose sum is σ = 39960884304. Its totient is φ = 9920911104.

The previous prime is 20233211303. The next prime is 20233211407. The reversal of 20233211312 is 21311233202.

It is a super-2 number, since 2×20233211312² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2270738 + ... + 2279630.

Almost surely, 2^20233211312 is an apocalyptic number.

It is an amenable number.

20233211312 is a deficient number, since it is larger than the sum of its proper divisors (19727672992).

20233211312 is a wasteful number, since it uses less digits than its factorization.

20233211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11637 (or 11631 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20233211312 its reverse (21311233202), we get a palindrome (41544444514).

The spelling of 20233211312 in words is "twenty billion, two hundred thirty-three million, two hundred eleven thousand, three hundred twelve".