420052355 has 4 divisors (see below), whose sum is σ = 504062832. Its totient is φ = 336041880.

The previous prime is 420052349. The next prime is 420052363. The reversal of 420052355 is 553250024.

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

It is not a de Polignac number, because 420052355 - 2²⁰ = 419003779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42005231 + ... + 42005240.

It is an arithmetic number, because the mean of its divisors is an integer number (126015708).

Almost surely, 2^420052355 is an apocalyptic number.

420052355 is a deficient number, since it is larger than the sum of its proper divisors (84010477).

420052355 is an equidigital number, since it uses as much as digits as its factorization.

420052355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84010476.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 420052355 is about 20495.1788233233. The cubic root of 420052355 is about 748.9183548824.

The spelling of 420052355 in words is "four hundred twenty million, fifty-two thousand, three hundred fifty-five".