2402131220 has 24 divisors (see below), whose sum is σ = 5105255904. Its totient is φ = 949275296.

The previous prime is 2402131187. The next prime is 2402131241. The reversal of 2402131220 is 221312042.

2402131220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721874 + ... + 725193.

It is an arithmetic number, because the mean of its divisors is an integer number (212718996).

Almost surely, 2^2402131220 is an apocalyptic number.

2402131220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402131220 is an abundant number, since it is smaller than the sum of its proper divisors (2703124684).

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

2402131220 is a wasteful number, since it uses less digits than its factorization.

2402131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447159 (or 1447157 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2402131220 is about 49011.5417019298. The cubic root of 2402131220 is about 1339.2620909394.

Adding to 2402131220 its reverse (221312042), we get a palindrome (2623443262).

The spelling of 2402131220 in words is "two billion, four hundred two million, one hundred thirty-one thousand, two hundred twenty".