20133122232 has 16 divisors (see below), whose sum is σ = 50332805640. Its totient is φ = 6711040736.

The previous prime is 20133122221. The next prime is 20133122237. The reversal of 20133122232 is 23222133102.

It is a happy number.

It is a super-2 number, since 2×20133122232² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20133122199 and 20133122208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133122237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419440023 + ... + 419440070.

Almost surely, 2^20133122232 is an apocalyptic number.

It is an amenable number.

20133122232 is an abundant number, since it is smaller than the sum of its proper divisors (30199683408).

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

20133122232 is a wasteful number, since it uses less digits than its factorization.

20133122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838880102 (or 838880098 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20133122232 its reverse (23222133102), we get a palindrome (43355255334).

The spelling of 20133122232 in words is "twenty billion, one hundred thirty-three million, one hundred twenty-two thousand, two hundred thirty-two".