133033722420 has 24 divisors (see below), whose sum is σ = 372494422944. Its totient is φ = 35475659296.

The previous prime is 133033722413. The next prime is 133033722421. The reversal of 133033722420 is 24227330331.

It is a super-2 number, since 2×133033722420² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133033722421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108614294 + ... + 1108614413.

It is an arithmetic number, because the mean of its divisors is an integer number (15520600956).

Almost surely, 2^133033722420 is an apocalyptic number.

133033722420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133033722420 is an abundant number, since it is smaller than the sum of its proper divisors (239460700524).

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

133033722420 is a wasteful number, since it uses less digits than its factorization.

133033722420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217228719 (or 2217228717 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 30.

The spelling of 133033722420 in words is "one hundred thirty-three billion, thirty-three million, seven hundred twenty-two thousand, four hundred twenty".