201304021 has 8 divisors (see below), whose sum is σ = 213269760. Its totient is φ = 189352128.

The previous prime is 201304007. The next prime is 201304039. The reversal of 201304021 is 120403102.

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 201304021 - 2²⁷ = 67086293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201303992 and 201304010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201304001) 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, 51970 + ... + 55708.

It is an arithmetic number, because the mean of its divisors is an integer number (26658720).

Almost surely, 2^201304021 is an apocalyptic number.

It is an amenable number.

201304021 is a deficient number, since it is larger than the sum of its proper divisors (11965739).

201304021 is a wasteful number, since it uses less digits than its factorization.

201304021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6923.

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

The square root of 201304021 is about 14188.1648214278. The cubic root of 201304021 is about 586.0717887799.

Adding to 201304021 its reverse (120403102), we get a palindrome (321707123).

The spelling of 201304021 in words is "two hundred one million, three hundred four thousand, twenty-one".