33100231023220 has 12 divisors (see below), whose sum is σ = 69510485148804. Its totient is φ = 13240092409280.

The previous prime is 33100231023217. The next prime is 33100231023221. The reversal of 33100231023220 is 2232013200133.

It can be written as a sum of positive squares in 2 ways, for example, as 3676744890256 + 29423486132964 = 1917484^2 + 5424342^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33100231023191 and 33100231023200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33100231023221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827505775561 + ... + 827505775600.

It is an arithmetic number, because the mean of its divisors is an integer number (5792540429067).

Almost surely, 2^{33100231023220} is an apocalyptic number.

It is an amenable number.

33100231023220 is an abundant number, since it is smaller than the sum of its proper divisors (36410254125584).

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

33100231023220 is a wasteful number, since it uses less digits than its factorization.

33100231023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655011551170 (or 1655011551168 counting only the distinct ones).

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

Adding to 33100231023220 its reverse (2232013200133), we get a palindrome (35332244223353).

The spelling of 33100231023220 in words is "thirty-three trillion, one hundred billion, two hundred thirty-one million, twenty-three thousand, two hundred twenty".