33331000220 has 48 divisors (see below), whose sum is σ = 81854750208. Its totient is φ = 11162007360.

The previous prime is 33331000159. The next prime is 33331000231. The reversal of 33331000220 is 2200013333.

It is a super-2 number, since 2×33331000220² (a number of 22 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 15 ways as a sum of consecutive naturals, for example, 2762336 + ... + 2774375.

It is an arithmetic number, because the mean of its divisors is an integer number (1705307296).

Almost surely, 2^33331000220 is an apocalyptic number.

It is an amenable number.

33331000220 is an abundant number, since it is smaller than the sum of its proper divisors (48523749988).

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

33331000220 is a wasteful number, since it uses less digits than its factorization.

33331000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536770 (or 5536768 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 33331000220 its reverse (2200013333), we get a palindrome (35531013553).

The spelling of 33331000220 in words is "thirty-three billion, three hundred thirty-one million, two hundred twenty", and thus it is an aban number.