420412242 has 16 divisors (see below), whose sum is σ = 842002560. Its totient is φ = 139941072.

The previous prime is 420412231. The next prime is 420412253. The reversal of 420412242 is 242214024.

It is an interprime number because it is at equal distance from previous prime (420412231) and next prime (420412253).

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, 44413 + ... + 53040.

It is an arithmetic number, because the mean of its divisors is an integer number (52625160).

Almost surely, 2^420412242 is an apocalyptic number.

420412242 is an abundant number, since it is smaller than the sum of its proper divisors (421590318).

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

420412242 is a wasteful number, since it uses less digits than its factorization.

420412242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98177.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 420412242 is about 20503.9567401026. The cubic root of 420412242 is about 749.1321766753.

Adding to 420412242 its reverse (242214024), we get a palindrome (662626266).

The spelling of 420412242 in words is "four hundred twenty million, four hundred twelve thousand, two hundred forty-two".