3610113220 has 72 divisors (see below), whose sum is σ = 8925444864. Its totient is φ = 1222812864.

The previous prime is 3610113211. The next prime is 3610113233. The reversal of 3610113220 is 223110163.

It is a super-2 number, since 2×3610113220² = 26065834922437536800, which contains 22 as substring.

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, 59149 + ... + 103531.

It is an arithmetic number, because the mean of its divisors is an integer number (123964512).

Almost surely, 2^3610113220 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 3610113220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4462722432).

3610113220 is an abundant number, since it is smaller than the sum of its proper divisors (5315331644).

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

3610113220 is a wasteful number, since it uses less digits than its factorization.

3610113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44489 (or 44480 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3610113220 is about 60084.2177281189. The cubic root of 3610113220 is about 1534.0526814808.

Adding to 3610113220 its reverse (223110163), we get a palindrome (3833223383).

It can be divided in two parts, 361011 and 3220, that added together give a triangular number (364231 = T₈₅₃).

The spelling of 3610113220 in words is "three billion, six hundred ten million, one hundred thirteen thousand, two hundred twenty".