3201013220 has 48 divisors (see below), whose sum is σ = 7127688960. Its totient is φ = 1204141824.

The previous prime is 3201013187. The next prime is 3201013237. The reversal of 3201013220 is 223101023.

It is a happy number.

It is a super-2 number, since 2×3201013220² = 20492971269229536800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3201013195 and 3201013204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21317 + ... + 82803.

It is an arithmetic number, because the mean of its divisors is an integer number (148493520).

Almost surely, 2^3201013220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3201013220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3563844480).

3201013220 is an abundant number, since it is smaller than the sum of its proper divisors (3926675740).

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

3201013220 is a wasteful number, since it uses less digits than its factorization.

3201013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61652 (or 61650 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3201013220 is about 56577.4974702841. The cubic root of 3201013220 is about 1473.7681136436.

Adding to 3201013220 its reverse (223101023), we get a palindrome (3424114243).

The spelling of 3201013220 in words is "three billion, two hundred one million, thirteen thousand, two hundred twenty".