420568298 has 4 divisors (see below), whose sum is σ = 630852450. Its totient is φ = 210284148.

The previous prime is 420568277. The next prime is 420568301. The reversal of 420568298 is 892865024.

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

It can be written as a sum of positive squares in only one way, i.e., 257827249 + 162741049 = 16057^2 + 12757^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105142073 + ... + 105142076.

Almost surely, 2^420568298 is an apocalyptic number.

420568298 is a deficient number, since it is larger than the sum of its proper divisors (210284152).

420568298 is a wasteful number, since it uses less digits than its factorization.

420568298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210284151.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 420568298 is about 20507.7618964138. The cubic root of 420568298 is about 749.2248572216.

The spelling of 420568298 in words is "four hundred twenty million, five hundred sixty-eight thousand, two hundred ninety-eight".