20133113308 has 48 divisors (see below), whose sum is σ = 45343807488. Its totient is φ = 7591032000.

The previous prime is 20133113303. The next prime is 20133113327. The reversal of 20133113308 is 80331133102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133113303) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1044763 + ... + 1063858.

It is an arithmetic number, because the mean of its divisors is an integer number (944662656).

Almost surely, 2^20133113308 is an apocalyptic number.

20133113308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20133113308 is an abundant number, since it is smaller than the sum of its proper divisors (25210694180).

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

20133113308 is a wasteful number, since it uses less digits than its factorization.

20133113308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108674 (or 2108672 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 20133113308 in words is "twenty billion, one hundred thirty-three million, one hundred thirteen thousand, three hundred eight".