33201220220 has 48 divisors (see below), whose sum is σ = 80805247488. Its totient is φ = 11222944320.

The previous prime is 33201220211. The next prime is 33201220229. The reversal of 33201220220 is 2202210233.

It is an interprime number because it is at equal distance from previous prime (33201220211) and next prime (33201220229).

It is a super-2 number, since 2×33201220220² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33201220229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1660142 + ... + 1680021.

It is an arithmetic number, because the mean of its divisors is an integer number (1683442656).

Almost surely, 2^33201220220 is an apocalyptic number.

It is an amenable number.

33201220220 is an abundant number, since it is smaller than the sum of its proper divisors (47604027268).

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

33201220220 is a wasteful number, since it uses less digits than its factorization.

33201220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340250 (or 3340248 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 33201220220 its reverse (2202210233), we get a palindrome (35403430453).

The spelling of 33201220220 in words is "thirty-three billion, two hundred one million, two hundred twenty thousand, two hundred twenty".