100420304 has 10 divisors (see below), whose sum is σ = 194564370. Its totient is φ = 50210144.

The previous prime is 100420291. The next prime is 100420363. The reversal of 100420304 is 403024001.

It can be written as a sum of positive squares in only one way, i.e., 89264704 + 11155600 = 9448^2 + 3340^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3138119 + ... + 3138150.

It is an arithmetic number, because the mean of its divisors is an integer number (19456437).

Almost surely, 2^100420304 is an apocalyptic number.

It is an amenable number.

100420304 is a deficient number, since it is larger than the sum of its proper divisors (94144066).

100420304 is an equidigital number, since it uses as much as digits as its factorization.

100420304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276277 (or 6276271 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 100420304 is about 10020.9931643525. The cubic root of 100420304 is about 464.8082671982.

Adding to 100420304 its reverse (403024001), we get a palindrome (503444305).

The spelling of 100420304 in words is "one hundred million, four hundred twenty thousand, three hundred four".