20225333312 has 14 divisors (see below), whose sum is σ = 40134645918. Its totient is φ = 10112666624.

The previous prime is 20225333309. The next prime is 20225333341. The reversal of 20225333312 is 21333352202.

It can be written as a sum of positive squares in only one way, i.e., 19092606976 + 1132726336 = 138176^2 + 33656^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158010353 + ... + 158010480.

Almost surely, 2^20225333312 is an apocalyptic number.

It is an amenable number.

20225333312 is a deficient number, since it is larger than the sum of its proper divisors (19909312606).

20225333312 is an equidigital number, since it uses as much as digits as its factorization.

20225333312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316020845 (or 316020835 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 20225333312 its reverse (21333352202), we get a palindrome (41558685514).

The spelling of 20225333312 in words is "twenty billion, two hundred twenty-five million, three hundred thirty-three thousand, three hundred twelve".