201420403 has 8 divisors (see below), whose sum is σ = 215469072. Its totient is φ = 187616256.

The previous prime is 201420383. The next prime is 201420421. The reversal of 201420403 is 304024102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201420403 - 2⁵ = 201420371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201420103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 59425 + ... + 62722.

It is an arithmetic number, because the mean of its divisors is an integer number (26933634).

Almost surely, 2^201420403 is an apocalyptic number.

201420403 is a deficient number, since it is larger than the sum of its proper divisors (14048669).

201420403 is a wasteful number, since it uses less digits than its factorization.

201420403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122261.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 201420403 is about 14192.2656048990. The cubic root of 201420403 is about 586.1847109596.

Adding to 201420403 its reverse (304024102), we get a palindrome (505444505).

The spelling of 201420403 in words is "two hundred one million, four hundred twenty thousand, four hundred three".