20101333312 has 14 divisors (see below), whose sum is σ = 39888583418. Its totient is φ = 10050666624.

The previous prime is 20101333297. The next prime is 20101333313. The reversal of 20101333312 is 21333310102.

It can be written as a sum of positive squares in only one way, i.e., 11632916736 + 8468416576 = 107856^2 + 92024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20101333312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101333313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157041603 + ... + 157041730.

Almost surely, 2^20101333312 is an apocalyptic number.

It is an amenable number.

20101333312 is a deficient number, since it is larger than the sum of its proper divisors (19787250106).

20101333312 is an equidigital number, since it uses as much as digits as its factorization.

20101333312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314083345 (or 314083335 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20101333312 its reverse (21333310102), we get a palindrome (41434643414).

The spelling of 20101333312 in words is "twenty billion, one hundred one million, three hundred thirty-three thousand, three hundred twelve".