33033201220 has 24 divisors (see below), whose sum is σ = 72385798464. Its totient is φ = 12638789856.

The previous prime is 33033201199. The next prime is 33033201239. The reversal of 33033201220 is 2210233033.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35905194 + ... + 35906113.

It is an arithmetic number, because the mean of its divisors is an integer number (3016074936).

Almost surely, 2^33033201220 is an apocalyptic number.

It is an amenable number.

33033201220 is an abundant number, since it is smaller than the sum of its proper divisors (39352597244).

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

33033201220 is a wasteful number, since it uses less digits than its factorization.

33033201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71811339 (or 71811337 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 33033201220 its reverse (2210233033), we get a palindrome (35243434253).

The spelling of 33033201220 in words is "thirty-three billion, thirty-three million, two hundred one thousand, two hundred twenty".