202421303 has 6 divisors (see below), whose sum is σ = 235469736. Its totient is φ = 173503932.

The previous prime is 202421291. The next prime is 202421309. The reversal of 202421303 is 303124202.

It is not a de Polignac number, because 202421303 - 2⁴ = 202421287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202421309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2065475 + ... + 2065572.

It is an arithmetic number, because the mean of its divisors is an integer number (39244956).

Almost surely, 2^202421303 is an apocalyptic number.

202421303 is a deficient number, since it is larger than the sum of its proper divisors (33048433).

202421303 is an equidigital number, since it uses as much as digits as its factorization.

202421303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131061 (or 4131054 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 202421303 is about 14227.4840713318. The cubic root of 202421303 is about 587.1540651240.

Adding to 202421303 its reverse (303124202), we get a palindrome (505545505).

The spelling of 202421303 in words is "two hundred two million, four hundred twenty-one thousand, three hundred three".