304322312420 has 24 divisors (see below), whose sum is σ = 730373550144. Its totient is φ = 104339078496.

The previous prime is 304322312407. The next prime is 304322312471. The reversal of 304322312420 is 24213223403.

It is a super-2 number, since 2×304322312420² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 304322312420.

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, 1086865262 + ... + 1086865541.

It is an arithmetic number, because the mean of its divisors is an integer number (30432231256).

Almost surely, 2^304322312420 is an apocalyptic number.

It is an amenable number.

304322312420 is an abundant number, since it is smaller than the sum of its proper divisors (426051237724).

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

304322312420 is a wasteful number, since it uses less digits than its factorization.

304322312420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173730819 (or 2173730817 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 304322312420 its reverse (24213223403), we get a palindrome (328535535823).

The spelling of 304322312420 in words is "three hundred four billion, three hundred twenty-two million, three hundred twelve thousand, four hundred twenty".