3332111220 has 72 divisors (see below), whose sum is σ = 10380597864. Its totient is φ = 864546048.

The previous prime is 3332111203. The next prime is 3332111221. The reversal of 3332111220 is 221112333.

3332111220 is a `hidden beast` number, since 3 + 332 + 111 + 220 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 219810276 + 3112300944 = 14826^2 + 55788^2 .

It is a super-2 number, since 2×3332111220² = 22205930364899776800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3332111193 and 3332111202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3332111221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243499 + ... + 256818.

Almost surely, 2^3332111220 is an apocalyptic number.

3332111220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3332111220 is an abundant number, since it is smaller than the sum of its proper divisors (7048486644).

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

3332111220 is a wasteful number, since it uses less digits than its factorization.

3332111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500369 (or 500364 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3332111220 is about 57724.4421367587. The cubic root of 3332111220 is about 1493.6190003872.

Adding to 3332111220 its reverse (221112333), we get a palindrome (3553223553).

The spelling of 3332111220 in words is "three billion, three hundred thirty-two million, one hundred eleven thousand, two hundred twenty".