33230011112220 has 384 divisors, whose sum is σ = 102884161443840. Its totient is φ = 7963275939840.

The previous prime is 33230011112201. The next prime is 33230011112231. The reversal of 33230011112220 is 2221111003233.

It is a super-2 number, since 2×33230011112220² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3603727210 + ... + 3603736430.

It is an arithmetic number, because the mean of its divisors is an integer number (267927503760).

Almost surely, 2^{33230011112220} is an apocalyptic number.

33230011112220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33230011112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51442080721920).

33230011112220 is an abundant number, since it is smaller than the sum of its proper divisors (69654150331620).

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

33230011112220 is a wasteful number, since it uses less digits than its factorization.

33230011112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9965 (or 9963 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 33230011112220 its reverse (2221111003233), we get a palindrome (35451122115453).

The spelling of 33230011112220 in words is "thirty-three trillion, two hundred thirty billion, eleven million, one hundred twelve thousand, two hundred twenty".