33101002220 has 96 divisors (see below), whose sum is σ = 81747005760. Its totient is φ = 11099612160.

The previous prime is 33101002177. The next prime is 33101002261. The reversal of 33101002220 is 2220010133.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 33101002195 and 33101002204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3120686 + ... + 3131274.

It is an arithmetic number, because the mean of its divisors is an integer number (851531310).

Almost surely, 2^33101002220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33101002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40873502880).

33101002220 is an abundant number, since it is smaller than the sum of its proper divisors (48646003540).

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

33101002220 is a wasteful number, since it uses less digits than its factorization.

33101002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11715 (or 11713 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 33101002220 its reverse (2220010133), we get a palindrome (35321012353).

The spelling of 33101002220 in words is "thirty-three billion, one hundred one million, two thousand, two hundred twenty".