133313020220 has 12 divisors (see below), whose sum is σ = 279957342504. Its totient is φ = 53325208080.

The previous prime is 133313020153. The next prime is 133313020319. The reversal of 133313020220 is 22020313331.

It is a super-2 number, since 2×133313020220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6665651011 = 133313020220 / (1 + 3 + 3 + 3 + 1 + 3 + 0 + 2 + 0 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 133313020192 and 133313020201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3332825486 + ... + 3332825525.

It is an arithmetic number, because the mean of its divisors is an integer number (23329778542).

Almost surely, 2^133313020220 is an apocalyptic number.

133313020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133313020220 is an abundant number, since it is smaller than the sum of its proper divisors (146644322284).

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

133313020220 is a wasteful number, since it uses less digits than its factorization.

133313020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665651020 (or 6665651018 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 133313020220 its reverse (22020313331), we get a palindrome (155333333551).

The spelling of 133313020220 in words is "one hundred thirty-three billion, three hundred thirteen million, twenty thousand, two hundred twenty".