420022616 has 16 divisors (see below), whose sum is σ = 848122800. Its totient is φ = 193856544.

The previous prime is 420022613. The next prime is 420022633. The reversal of 420022616 is 616220024.

It is a junction number, because it is equal to n+sod(n) for n = 420022591 and 420022600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420022613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2019236 + ... + 2019443.

It is an arithmetic number, because the mean of its divisors is an integer number (53007675).

Almost surely, 2^420022616 is an apocalyptic number.

It is an amenable number.

420022616 is an abundant number, since it is smaller than the sum of its proper divisors (428100184).

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

420022616 is a wasteful number, since it uses less digits than its factorization.

420022616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038698 (or 4038694 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 420022616 is about 20494.4532983927. The cubic root of 420022616 is about 748.9006804122.

The spelling of 420022616 in words is "four hundred twenty million, twenty-two thousand, six hundred sixteen".