420202204022 has 16 divisors (see below), whose sum is σ = 644799621312. Its totient is φ = 205284074880.

The previous prime is 420202204007. The next prime is 420202204033. The reversal of 420202204022 is 220402202024.

It is a junction number, because it is equal to n+sod(n) for n = 420202203985 and 420202204003.

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, 3713429 + ... + 3824912.

It is an arithmetic number, because the mean of its divisors is an integer number (40299976332).

Almost surely, 2^420202204022 is an apocalyptic number.

420202204022 is a deficient number, since it is larger than the sum of its proper divisors (224597417290).

420202204022 is a wasteful number, since it uses less digits than its factorization.

420202204022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7538983.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 420202204022 its reverse (220402202024), we get a palindrome (640604406046).

The spelling of 420202204022 in words is "four hundred twenty billion, two hundred two million, two hundred four thousand, twenty-two".