420252004 has 12 divisors (see below), whose sum is σ = 751089024. Its totient is φ = 205655144.

The previous prime is 420251987. The next prime is 420252059. The reversal of 420252004 is 400252024.

It is a super-2 number, since 2×420252004² = 353223493732032032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117504 + ... + 1117879.

It is an arithmetic number, because the mean of its divisors is an integer number (62590752).

Almost surely, 2^420252004 is an apocalyptic number.

It is an amenable number.

420252004 is a deficient number, since it is larger than the sum of its proper divisors (330837020).

420252004 is a wasteful number, since it uses less digits than its factorization.

420252004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235434 (or 2235432 counting only the distinct ones).

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

The square root of 420252004 is about 20500.0488779905. The cubic root of 420252004 is about 749.0369886006.

The spelling of 420252004 in words is "four hundred twenty million, two hundred fifty-two thousand, four".