420562892 has 12 divisors (see below), whose sum is σ = 736152816. Its totient is φ = 210233520.

The previous prime is 420562873. The next prime is 420562907. The reversal of 420562892 is 298265024.

It is a super-2 number, since 2×420562892² = 353746292254807328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14042 + ... + 32222.

It is an arithmetic number, because the mean of its divisors is an integer number (61346068).

Almost surely, 2^420562892 is an apocalyptic number.

It is an amenable number.

420562892 is a deficient number, since it is larger than the sum of its proper divisors (315589924).

420562892 is a wasteful number, since it uses less digits than its factorization.

420562892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23968 (or 23966 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 420562892 is about 20507.6300922364. The cubic root of 420562892 is about 749.2216470201.

The spelling of 420562892 in words is "four hundred twenty million, five hundred sixty-two thousand, eight hundred ninety-two".