2420543331 has 20 divisors (see below), whose sum is σ = 3661653600. Its totient is φ = 1593264816.

The previous prime is 2420543327. The next prime is 2420543341. The reversal of 2420543331 is 1333450242.

2420543331 is a `hidden beast` number, since 24 + 205 + 433 + 3 + 1 = 666.

It is not a de Polignac number, because 2420543331 - 2² = 2420543327 is a prime.

It is a super-2 number, since 2×2420543331² = 11718060034497151122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2420543295 and 2420543304.

It is not an unprimeable number, because it can be changed into a prime (2420543341) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 182736 + ... + 195533.

It is an arithmetic number, because the mean of its divisors is an integer number (183082680).

Almost surely, 2^2420543331 is an apocalyptic number.

2420543331 is a deficient number, since it is larger than the sum of its proper divisors (1241110269).

2420543331 is an equidigital number, since it uses as much as digits as its factorization.

2420543331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378360 (or 378351 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2420543331 is about 49199.0175816550. The cubic root of 2420543331 is about 1342.6751583199.

Adding to 2420543331 its reverse (1333450242), we get a palindrome (3753993573).

The spelling of 2420543331 in words is "two billion, four hundred twenty million, five hundred forty-three thousand, three hundred thirty-one".