420220124 has 12 divisors (see below), whose sum is σ = 735593544. Its totient is φ = 210050544.

The previous prime is 420220079. The next prime is 420220139. The reversal of 420220124 is 421022024.

It is a happy number.

It is a super-2 number, since 2×420220124² = 353169905229150752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3539 + ... + 29205.

It is an arithmetic number, because the mean of its divisors is an integer number (61299462).

Almost surely, 2^420220124 is an apocalyptic number.

It is an amenable number.

420220124 is a deficient number, since it is larger than the sum of its proper divisors (315373420).

420220124 is a wasteful number, since it uses less digits than its factorization.

420220124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29764 (or 29762 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 420220124 is about 20499.2713041220. The cubic root of 420220124 is about 749.0180476613.

Adding to 420220124 its reverse (421022024), we get a palindrome (841242148).

The spelling of 420220124 in words is "four hundred twenty million, two hundred twenty thousand, one hundred twenty-four".