420422524 has 48 divisors (see below), whose sum is σ = 771724800. Its totient is φ = 200249280.

The previous prime is 420422507. The next prime is 420422533. The reversal of 420422524 is 425224024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2112577 + ... + 2112775.

It is an arithmetic number, because the mean of its divisors is an integer number (16077600).

Almost surely, 2^420422524 is an apocalyptic number.

It is an amenable number.

420422524 is a deficient number, since it is larger than the sum of its proper divisors (351302276).

420422524 is a wasteful number, since it uses less digits than its factorization.

420422524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 420422524 is about 20504.2074706632. The cubic root of 420422524 is about 749.1382837876.

Adding to 420422524 its reverse (425224024), we get a palindrome (845646548).

It can be divided in two parts, 42042252 and 4, that added together give a square (42042256 = 6484²).

The spelling of 420422524 in words is "four hundred twenty million, four hundred twenty-two thousand, five hundred twenty-four".