420230567 has 4 divisors (see below), whose sum is σ = 420273000. Its totient is φ = 420188136.

The previous prime is 420230563. The next prime is 420230579. The reversal of 420230567 is 765032024.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 420230567 - 2² = 420230563 is a prime.

It is a super-2 number, since 2×420230567² = 353187458882282978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420230563) 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, 2408 + ... + 29090.

It is an arithmetic number, because the mean of its divisors is an integer number (105068250).

Almost surely, 2^420230567 is an apocalyptic number.

420230567 is a deficient number, since it is larger than the sum of its proper divisors (42433).

420230567 is a wasteful number, since it uses less digits than its factorization.

420230567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42432.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 420230567 is about 20499.5260189108. The cubic root of 420230567 is about 749.0242522909.

The spelling of 420230567 in words is "four hundred twenty million, two hundred thirty thousand, five hundred sixty-seven".