20432422233 has 16 divisors (see below), whose sum is σ = 30282753600. Its totient is φ = 13615990560.

The previous prime is 20432422181. The next prime is 20432422237. The reversal of 20432422233 is 33222423402.

It is a happy number.

20432422233 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 2 + 422 + 233 = 666.

It is not a de Polignac number, because 20432422233 - 2⁶ = 20432422169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20432422197 and 20432422206.

It is not an unprimeable number, because it can be changed into a prime (20432422237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89103 + ... + 220916.

It is an arithmetic number, because the mean of its divisors is an integer number (1892672100).

Almost surely, 2^20432422233 is an apocalyptic number.

It is an amenable number.

20432422233 is a deficient number, since it is larger than the sum of its proper divisors (9850331367).

20432422233 is a wasteful number, since it uses less digits than its factorization.

20432422233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312469 (or 312463 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 20432422233 its reverse (33222423402), we get a palindrome (53654845635).

The spelling of 20432422233 in words is "twenty billion, four hundred thirty-two million, four hundred twenty-two thousand, two hundred thirty-three".