421000202 has 16 divisors (see below), whose sum is σ = 727227072. Its totient is φ = 179050560.

The previous prime is 421000193. The next prime is 421000207. The reversal of 421000202 is 202000124.

It is not an unprimeable number, because it can be changed into a prime (421000207) 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, 112943 + ... + 116610.

It is an arithmetic number, because the mean of its divisors is an integer number (45451692).

Almost surely, 2^421000202 is an apocalyptic number.

421000202 is a deficient number, since it is larger than the sum of its proper divisors (306226870).

421000202 is a wasteful number, since it uses less digits than its factorization.

421000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229693.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 421000202 is about 20518.2894511214. The cubic root of 421000202 is about 749.4812424554.

Adding to 421000202 its reverse (202000124), we get a palindrome (623000326).

The spelling of 421000202 in words is "four hundred twenty-one million, two hundred two", and thus it is an aban number.