420504922 has 16 divisors (see below), whose sum is σ = 665180640. Its totient is φ = 198818928.

The previous prime is 420504853. The next prime is 420504937. The reversal of 420504922 is 229405024.

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, 11233 + ... + 31099.

It is an arithmetic number, because the mean of its divisors is an integer number (41573790).

Almost surely, 2^420504922 is an apocalyptic number.

420504922 is a deficient number, since it is larger than the sum of its proper divisors (244675718).

420504922 is a wasteful number, since it uses less digits than its factorization.

420504922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20445.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 420504922 is about 20506.2166671476. The cubic root of 420504922 is about 749.1872214321.

Adding to 420504922 its reverse (229405024), we get a palindrome (649909946).

The spelling of 420504922 in words is "four hundred twenty million, five hundred four thousand, nine hundred twenty-two".