420549802 has 16 divisors (see below), whose sum is σ = 659135232. Its totient is φ = 200862640.

The previous prime is 420549763. The next prime is 420549803. The reversal of 420549802 is 208945024.

It is not an unprimeable number, because it can be changed into a prime (420549803) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30927 + ... + 42397.

It is an arithmetic number, because the mean of its divisors is an integer number (41195952).

Almost surely, 2^420549802 is an apocalyptic number.

420549802 is a deficient number, since it is larger than the sum of its proper divisors (238585430).

420549802 is a wasteful number, since it uses less digits than its factorization.

420549802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12293.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 420549802 is about 20507.3109402476. The cubic root of 420549802 is about 749.2138737768.

The spelling of 420549802 in words is "four hundred twenty million, five hundred forty-nine thousand, eight hundred two".