3036561220 has 96 divisors (see below), whose sum is σ = 7970006016. Its totient is φ = 944112000.

The previous prime is 3036561179. The next prime is 3036561257. The reversal of 3036561220 is 221656303.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 31 ways as a sum of consecutive naturals, for example, 679995 + ... + 684445.

It is an arithmetic number, because the mean of its divisors is an integer number (83020896).

Almost surely, 2^3036561220 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 3036561220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3985003008).

3036561220 is an abundant number, since it is smaller than the sum of its proper divisors (4933444796).

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

3036561220 is a wasteful number, since it uses less digits than its factorization.

3036561220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921 (or 4919 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3036561220 is about 55105.0017693494. The cubic root of 3036561220 is about 1448.0848628316.

The spelling of 3036561220 in words is "three billion, thirty-six million, five hundred sixty-one thousand, two hundred twenty".