420522004 has 24 divisors (see below), whose sum is σ = 841655808. Its totient is φ = 180092640.

The previous prime is 420522001. The next prime is 420522023. The reversal of 420522004 is 400225024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420522001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40509 + ... + 49819.

It is an arithmetic number, because the mean of its divisors is an integer number (35068992).

Almost surely, 2^420522004 is an apocalyptic number.

It is an amenable number.

420522004 is an abundant number, since it is smaller than the sum of its proper divisors (421133804).

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

420522004 is a wasteful number, since it uses less digits than its factorization.

420522004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10935 (or 10933 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 420522004 is about 20506.6331707572. The cubic root of 420522004 is about 749.1973659371.

Adding to 420522004 its reverse (400225024), we get a palindrome (820747028).

The spelling of 420522004 in words is "four hundred twenty million, five hundred twenty-two thousand, four".