420311122 has 48 divisors (see below), whose sum is σ = 842222880. Its totient is φ = 155131200.

The previous prime is 420311117. The next prime is 420311149. The reversal of 420311122 is 221113024.

It is a super-2 number, since 2×420311122² = 353322878553797768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420311096 and 420311105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10222 + ... + 30742.

It is an arithmetic number, because the mean of its divisors is an integer number (17546310).

Almost surely, 2^420311122 is an apocalyptic number.

420311122 is an abundant number, since it is smaller than the sum of its proper divisors (421911758).

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

420311122 is a wasteful number, since it uses less digits than its factorization.

420311122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20567 (or 20560 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 420311122 is about 20501.4907262862. The cubic root of 420311122 is about 749.0721099817.

Adding to 420311122 its reverse (221113024), we get a palindrome (641424146).

The spelling of 420311122 in words is "four hundred twenty million, three hundred eleven thousand, one hundred twenty-two".