33100230220020 has 144 divisors (see below), whose sum is σ = 100505249732160. Its totient is φ = 8817834106368.

The previous prime is 33100230220003. The next prime is 33100230220037. The reversal of 33100230220020 is 2002203200133.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33100230220003) and next prime (33100230220037).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 33100230219975 and 33100230220002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 811996159 + ... + 812036921.

It is an arithmetic number, because the mean of its divisors is an integer number (697953123140).

Almost surely, 2^{33100230220020} is an apocalyptic number.

33100230220020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33100230220020 is an abundant number, since it is smaller than the sum of its proper divisors (67405019512140).

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

33100230220020 is a wasteful number, since it uses less digits than its factorization.

33100230220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45214 (or 45209 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 33100230220020 its reverse (2002203200133), we get a palindrome (35102433420153).

The spelling of 33100230220020 in words is "thirty-three trillion, one hundred billion, two hundred thirty million, two hundred twenty thousand, twenty".