420220262 has 16 divisors (see below), whose sum is σ = 785866752. Its totient is φ = 163722120.

The previous prime is 420220249. The next prime is 420220271. The reversal of 420220262 is 262022024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364198 + ... + 1364505.

It is an arithmetic number, because the mean of its divisors is an integer number (49116672).

Almost surely, 2^420220262 is an apocalyptic number.

420220262 is a deficient number, since it is larger than the sum of its proper divisors (365646490).

420220262 is a wasteful number, since it uses less digits than its factorization.

420220262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728723.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 420220262 is about 20499.2746700950. The cubic root of 420220262 is about 749.0181296536.

Adding to 420220262 its reverse (262022024), we get a palindrome (682242286).

The spelling of 420220262 in words is "four hundred twenty million, two hundred twenty thousand, two hundred sixty-two".