3023312220 has 72 divisors (see below), whose sum is σ = 9326182320. Its totient is φ = 792549120.

The previous prime is 3023312207. The next prime is 3023312233. The reversal of 3023312220 is 222133203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3023312207) and next prime (3023312233).

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 = 3023312193 and 3023312202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131721 + ... + 152960.

It is an arithmetic number, because the mean of its divisors is an integer number (129530310).

Almost surely, 2^3023312220 is an apocalyptic number.

3023312220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3023312220 is an abundant number, since it is smaller than the sum of its proper divisors (6302870100).

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

3023312220 is a wasteful number, since it uses less digits than its factorization.

3023312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284755 (or 284750 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3023312220 is about 54984.6544046609. The cubic root of 3023312220 is about 1445.9757174116.

Adding to 3023312220 its reverse (222133203), we get a palindrome (3245445423).

The spelling of 3023312220 in words is "three billion, twenty-three million, three hundred twelve thousand, two hundred twenty".