420244242 has 32 divisors (see below), whose sum is σ = 965157120. Its totient is φ = 120643920.

The previous prime is 420244241. The next prime is 420244271. The reversal of 420244242 is 242442024.

It is not an unprimeable number, because it can be changed into a prime (420244241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166308 + ... + 168815.

It is an arithmetic number, because the mean of its divisors is an integer number (30161160).

Almost surely, 2^420244242 is an apocalyptic number.

420244242 is an abundant number, since it is smaller than the sum of its proper divisors (544912878).

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

420244242 is a wasteful number, since it uses less digits than its factorization.

420244242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335158.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 420244242 is about 20499.8595604946. The cubic root of 420244242 is about 749.0323770335.

Adding to 420244242 its reverse (242442024), we get a palindrome (662686266).

The spelling of 420244242 in words is "four hundred twenty million, two hundred forty-four thousand, two hundred forty-two".