20332331312 has 10 divisors (see below), whose sum is σ = 39393891948. Its totient is φ = 10166165648.

The previous prime is 20332331309. The next prime is 20332331323. The reversal of 20332331312 is 21313323302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635385338 + ... + 635385369.

Almost surely, 2^20332331312 is an apocalyptic number.

It is an amenable number.

20332331312 is a deficient number, since it is larger than the sum of its proper divisors (19061560636).

20332331312 is a wasteful number, since it uses less digits than its factorization.

20332331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270770715 (or 1270770709 counting only the distinct ones).

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

Adding to 20332331312 its reverse (21313323302), we get a palindrome (41645654614).

The spelling of 20332331312 in words is "twenty billion, three hundred thirty-two million, three hundred thirty-one thousand, three hundred twelve".