2420404331 has 4 divisors (see below), whose sum is σ = 2426322600. Its totient is φ = 2414486064.

The previous prime is 2420404297. The next prime is 2420404361. The reversal of 2420404331 is 1334040242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420404331 is a prime.

It is a super-2 number, since 2×2420404331² = 11716714251047115122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2420404297 and 2420404306.

It is not an unprimeable number, because it can be changed into a prime (2420404361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2958521 + ... + 2959338.

It is an arithmetic number, because the mean of its divisors is an integer number (606580650).

Almost surely, 2^2420404331 is an apocalyptic number.

2420404331 is a deficient number, since it is larger than the sum of its proper divisors (5918269).

2420404331 is an equidigital number, since it uses as much as digits as its factorization.

2420404331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918268.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2420404331 is about 49197.6049315411. The cubic root of 2420404331 is about 1342.6494567323.

Adding to 2420404331 its reverse (1334040242), we get a palindrome (3754444573).

The spelling of 2420404331 in words is "two billion, four hundred twenty million, four hundred four thousand, three hundred thirty-one".