420320202 has 8 divisors (see below), whose sum is σ = 840640416. Its totient is φ = 140106732.

The previous prime is 420320167. The next prime is 420320207. The reversal of 420320202 is 202023024.

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

420320202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (420320207) 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, 35026678 + ... + 35026689.

It is an arithmetic number, because the mean of its divisors is an integer number (105080052).

Almost surely, 2^420320202 is an apocalyptic number.

420320202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420320202 is a wasteful number, since it uses less digits than its factorization.

420320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70053372.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 420320202 is about 20501.7121724016. The cubic root of 420320202 is about 749.0775040223.

Adding to 420320202 its reverse (202023024), we get a palindrome (622343226).

The spelling of 420320202 in words is "four hundred twenty million, three hundred twenty thousand, two hundred two".