20133233312 has 24 divisors (see below), whose sum is σ = 39698044596. Its totient is φ = 10051190272.

The previous prime is 20133233257. The next prime is 20133233353. The reversal of 20133233312 is 21333233102.

It can be written as a sum of positive squares in 2 ways, for example, as 20119720336 + 13512976 = 141844^2 + 3676^2 .

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, 460853 + ... + 502644.

Almost surely, 2^20133233312 is an apocalyptic number.

It is an amenable number.

20133233312 is a deficient number, since it is larger than the sum of its proper divisors (19564811284).

20133233312 is an equidigital number, since it uses as much as digits as its factorization.

20133233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964160 (or 964152 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20133233312 its reverse (21333233102), we get a palindrome (41466466414).

The spelling of 20133233312 in words is "twenty billion, one hundred thirty-three million, two hundred thirty-three thousand, three hundred twelve".