133113310220 has 24 divisors (see below), whose sum is σ = 304950493008. Its totient is φ = 48404840000.

The previous prime is 133113310217. The next prime is 133113310261. The reversal of 133113310220 is 22013311331.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 133113310192 and 133113310201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302530031 + ... + 302530470.

It is an arithmetic number, because the mean of its divisors is an integer number (12706270542).

Almost surely, 2^133113310220 is an apocalyptic number.

133113310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133113310220 is an abundant number, since it is smaller than the sum of its proper divisors (171837182788).

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

133113310220 is a wasteful number, since it uses less digits than its factorization.

133113310220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605060521 (or 605060519 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133113310220 its reverse (22013311331), we get a palindrome (155126621551).

The spelling of 133113310220 in words is "one hundred thirty-three billion, one hundred thirteen million, three hundred ten thousand, two hundred twenty".