2402001220 has 12 divisors (see below), whose sum is σ = 5044202604. Its totient is φ = 960800480.

The previous prime is 2402001193. The next prime is 2402001269. The reversal of 2402001220 is 221002042.

It can be written as a sum of positive squares in 2 ways, for example, as 842857024 + 1559144196 = 29032^2 + 39486^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2402001220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60050011 + ... + 60050050.

It is an arithmetic number, because the mean of its divisors is an integer number (420350217).

Almost surely, 2^2402001220 is an apocalyptic number.

2402001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402001220 is an abundant number, since it is smaller than the sum of its proper divisors (2642201384).

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

2402001220 is a wasteful number, since it uses less digits than its factorization.

2402001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120100070 (or 120100068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2402001220 is about 49010.2154657577. The cubic root of 2402001220 is about 1339.2379308365.

Adding to 2402001220 its reverse (221002042), we get a palindrome (2623003262).

The spelling of 2402001220 in words is "two billion, four hundred two million, one thousand, two hundred twenty".