133109560020 has 48 divisors (see below), whose sum is σ = 373288321728. Its totient is φ = 35440496640.

The previous prime is 133109560019. The next prime is 133109560027. The reversal of 133109560020 is 20065901331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 133109560020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133109560027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1692034 + ... + 1768953.

It is an arithmetic number, because the mean of its divisors is an integer number (7776840036).

Almost surely, 2^133109560020 is an apocalyptic number.

133109560020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133109560020 is an abundant number, since it is smaller than the sum of its proper divisors (240178761708).

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

133109560020 is a wasteful number, since it uses less digits than its factorization.

133109560020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461640 (or 3461638 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The spelling of 133109560020 in words is "one hundred thirty-three billion, one hundred nine million, five hundred sixty thousand, twenty".