420022024 has 8 divisors (see below), whose sum is σ = 787541310. Its totient is φ = 210011008.

The previous prime is 420022019. The next prime is 420022049. The reversal of 420022024 is 420220024.

It can be written as a sum of positive squares in only one way, i.e., 404733924 + 15288100 = 20118^2 + 3910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 420021989 and 420022007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26251369 + ... + 26251384.

Almost surely, 2^420022024 is an apocalyptic number.

It is an amenable number.

420022024 is a deficient number, since it is larger than the sum of its proper divisors (367519286).

420022024 is a wasteful number, since it uses less digits than its factorization.

420022024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52502759 (or 52502755 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 420022024 is about 20494.4388554554. The cubic root of 420022024 is about 748.9003285665.

Adding to 420022024 its reverse (420220024), we get a palindrome (840242048).

The spelling of 420022024 in words is "four hundred twenty million, twenty-two thousand, twenty-four".