20233312312 has 16 divisors (see below), whose sum is σ = 38503692360. Its totient is φ = 9965661024.

The previous prime is 20233312279. The next prime is 20233312327. The reversal of 20233312312 is 21321333202.

It is a super-2 number, since 2×20233312312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 18873823 + ... + 18874894.

Almost surely, 2^20233312312 is an apocalyptic number.

It is an amenable number.

20233312312 is a deficient number, since it is larger than the sum of its proper divisors (18270380048).

20233312312 is a wasteful number, since it uses less digits than its factorization.

20233312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37748790 (or 37748786 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20233312312 its reverse (21321333202), we get a palindrome (41554645514).

The spelling of 20233312312 in words is "twenty billion, two hundred thirty-three million, three hundred twelve thousand, three hundred twelve".