3021220220 has 24 divisors (see below), whose sum is σ = 6345994704. Its totient is φ = 1208215296.

The previous prime is 3021220211. The next prime is 3021220249. The reversal of 3021220220 is 220221203.

It is a junction number, because it is equal to n+sod(n) for n = 3021220195 and 3021220204.

It is a congruent 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, 90227 + ... + 119093.

It is an arithmetic number, because the mean of its divisors is an integer number (264416446).

Almost surely, 2^3021220220 is an apocalyptic number.

It is an amenable number.

3021220220 is an abundant number, since it is smaller than the sum of its proper divisors (3324774484).

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

3021220220 is a wasteful number, since it uses less digits than its factorization.

3021220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34109 (or 34107 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3021220220 is about 54965.6276230882. The cubic root of 3021220220 is about 1445.6421231098.

Adding to 3021220220 its reverse (220221203), we get a palindrome (3241441423).

The spelling of 3021220220 in words is "three billion, twenty-one million, two hundred twenty thousand, two hundred twenty".