420342262 has 8 divisors (see below), whose sum is σ = 630776376. Its totient is φ = 210083472.

The previous prime is 420342253. The next prime is 420342271. The reversal of 420342262 is 262243024.

It is an interprime number because it is at equal distance from previous prime (420342253) and next prime (420342271).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37663 + ... + 47530.

It is an arithmetic number, because the mean of its divisors is an integer number (78847047).

Almost surely, 2^420342262 is an apocalyptic number.

420342262 is a deficient number, since it is larger than the sum of its proper divisors (210434114).

420342262 is a wasteful number, since it uses less digits than its factorization.

420342262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87662.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 420342262 is about 20502.2501691887. The cubic root of 420342262 is about 749.0906086035.

Adding to 420342262 its reverse (262243024), we get a palindrome (682585286).

The spelling of 420342262 in words is "four hundred twenty million, three hundred forty-two thousand, two hundred sixty-two".