420602371 has 4 divisors (see below), whose sum is σ = 480688432. Its totient is φ = 360516312.

The previous prime is 420602339. The next prime is 420602383. The reversal of 420602371 is 173206024.

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

It is a cyclic number.

It is not a de Polignac number, because 420602371 - 2⁵ = 420602339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420602071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30043020 + ... + 30043033.

It is an arithmetic number, because the mean of its divisors is an integer number (120172108).

Almost surely, 2^420602371 is an apocalyptic number.

420602371 is a deficient number, since it is larger than the sum of its proper divisors (60086061).

420602371 is an equidigital number, since it uses as much as digits as its factorization.

420602371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60086060.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 420602371 is about 20508.5926138290. The cubic root of 420602371 is about 749.2450898840.

Adding to 420602371 its reverse (173206024), we get a palindrome (593808395).

The spelling of 420602371 in words is "four hundred twenty million, six hundred two thousand, three hundred seventy-one".