20322433512 has 24 divisors (see below), whose sum is σ = 55039924290. Its totient is φ = 6774144480.

The previous prime is 20322433489. The next prime is 20322433543. The reversal of 20322433512 is 21533422302.

20322433512 is a `hidden beast` number, since 2 + 0 + 322 + 4 + 335 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18880408836 + 1442024676 = 137406^2 + 37974^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141127939 + ... + 141128082.

Almost surely, 2^20322433512 is an apocalyptic number.

It is an amenable number.

20322433512 is an abundant number, since it is smaller than the sum of its proper divisors (34717490778).

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

20322433512 is a wasteful number, since it uses less digits than its factorization.

20322433512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282256033 (or 282256026 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 20322433512 its reverse (21533422302), we get a palindrome (41855855814).

The spelling of 20322433512 in words is "twenty billion, three hundred twenty-two million, four hundred thirty-three thousand, five hundred twelve".