2321042420 has 12 divisors (see below), whose sum is σ = 4874189124. Its totient is φ = 928416960.

The previous prime is 2321042417. The next prime is 2321042443. The reversal of 2321042420 is 242401232.

It can be written as a sum of positive squares in 2 ways, for example, as 529552144 + 1791490276 = 23012^2 + 42326^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 116052121 = 2321042420 / (2 + 3 + 2 + 1 + 0 + 4 + 2 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2321042392 and 2321042401.

It is a congruent number.

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, 58026041 + ... + 58026080.

It is an arithmetic number, because the mean of its divisors is an integer number (406182427).

Almost surely, 2^2321042420 is an apocalyptic number.

2321042420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321042420 is an abundant number, since it is smaller than the sum of its proper divisors (2553146704).

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

2321042420 is a wasteful number, since it uses less digits than its factorization.

2321042420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116052130 (or 116052128 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2321042420 is about 48177.1981335569. The cubic root of 2321042420 is about 1324.0194325726.

Adding to 2321042420 its reverse (242401232), we get a palindrome (2563443652).

The spelling of 2321042420 in words is "two billion, three hundred twenty-one million, forty-two thousand, four hundred twenty".