420122221004 has 12 divisors (see below), whose sum is σ = 738510811584. Its totient is φ = 209119131984.

The previous prime is 420122220913. The next prime is 420122221021. The reversal of 420122221004 is 400122221024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235493627 + ... + 235495410.

It is an arithmetic number, because the mean of its divisors is an integer number (61542567632).

Almost surely, 2^420122221004 is an apocalyptic number.

It is an amenable number.

420122221004 is a deficient number, since it is larger than the sum of its proper divisors (318388590580).

420122221004 is a wasteful number, since it uses less digits than its factorization.

420122221004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470989264 (or 470989262 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 420122221004 its sum of digits (20), we get a palindrome (420122221024).

Adding to 420122221004 its reverse (400122221024), we get a palindrome (820244442028).

The spelling of 420122221004 in words is "four hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, four".