200421310 has 32 divisors (see below), whose sum is σ = 396264960. Its totient is φ = 72645408.

The previous prime is 200421307. The next prime is 200421311. The reversal of 200421310 is 13124002.

It is a super-2 number, since 2×200421310² = 80337403004232200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200421311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18562 + ... + 27301.

It is an arithmetic number, because the mean of its divisors is an integer number (12383280).

Almost surely, 2^200421310 is an apocalyptic number.

200421310 is a deficient number, since it is larger than the sum of its proper divisors (195843650).

200421310 is a wasteful number, since it uses less digits than its factorization.

200421310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45912.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 200421310 is about 14157.0233453223. The cubic root of 200421310 is about 585.2138989399.

Adding to 200421310 its reverse (13124002), we get a palindrome (213545312).

The spelling of 200421310 in words is "two hundred million, four hundred twenty-one thousand, three hundred ten".