33001120220 has 24 divisors (see below), whose sum is σ = 70251702864. Its totient is φ = 13019619456.

The previous prime is 33001120189. The next prime is 33001120223. The reversal of 33001120220 is 2202110033.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 33001120195 and 33001120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33001120223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11300294 + ... + 11303213.

It is an arithmetic number, because the mean of its divisors is an integer number (2927154286).

Almost surely, 2^33001120220 is an apocalyptic number.

It is an amenable number.

33001120220 is an abundant number, since it is smaller than the sum of its proper divisors (37250582644).

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

33001120220 is a wasteful number, since it uses less digits than its factorization.

33001120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22603589 (or 22603587 counting only the distinct ones).

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

Adding to 33001120220 its reverse (2202110033), we get a palindrome (35203230253).

The spelling of 33001120220 in words is "thirty-three billion, one million, one hundred twenty thousand, two hundred twenty".