305420204 has 6 divisors (see below), whose sum is σ = 534485364. Its totient is φ = 152710100.

The previous prime is 305420201. The next prime is 305420207. The reversal of 305420204 is 402024503.

It is an interprime number because it is at equal distance from previous prime (305420201) and next prime (305420207).

It is a super-2 number, since 2×305420204² = 186563002022803232, which contains 22 as substring.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (305420201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38177522 + ... + 38177529.

It is an arithmetic number, because the mean of its divisors is an integer number (89080894).

Almost surely, 2^305420204 is an apocalyptic number.

It is an amenable number.

305420204 is a deficient number, since it is larger than the sum of its proper divisors (229065160).

305420204 is a wasteful number, since it uses less digits than its factorization.

305420204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76355055 (or 76355053 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 305420204 is about 17476.2754613218. The cubic root of 305420204 is about 673.4405363626.

Adding to 305420204 its reverse (402024503), we get a palindrome (707444707).

The spelling of 305420204 in words is "three hundred five million, four hundred twenty thousand, two hundred four".