33231320100220 has 96 divisors (see below), whose sum is σ = 80138588302080. Its totient is φ = 11447850792960.

The previous prime is 33231320100193. The next prime is 33231320100221. The reversal of 33231320100220 is 2200102313233.

It is a super-3 number, since 3×33231320100220³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 33231320100191 and 33231320100200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33231320100221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322448019 + ... + 322551061.

It is an arithmetic number, because the mean of its divisors is an integer number (834776961480).

Almost surely, 2^{33231320100220} is an apocalyptic number.

It is an amenable number.

33231320100220 is an abundant number, since it is smaller than the sum of its proper divisors (46907268201860).

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

33231320100220 is a wasteful number, since it uses less digits than its factorization.

33231320100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180235 (or 180233 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 33231320100220 its reverse (2200102313233), we get a palindrome (35431422413453).

The spelling of 33231320100220 in words is "thirty-three trillion, two hundred thirty-one billion, three hundred twenty million, one hundred thousand, two hundred twenty".