21304202301 has 6 divisors (see below), whose sum is σ = 30772736670. Its totient is φ = 14202801528.

The previous prime is 21304202299. The next prime is 21304202321. The reversal of 21304202301 is 10320240312.

21304202301 is a `hidden beast` number, since 2 + 13 + 0 + 420 + 230 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20355870276 + 948332025 = 142674^2 + 30795^2 .

It is not a de Polignac number, because 21304202301 - 2¹ = 21304202299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21304202321) 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 5 ways as a sum of consecutive naturals, for example, 1183566786 + ... + 1183566803.

It is an arithmetic number, because the mean of its divisors is an integer number (5128789445).

Almost surely, 2^21304202301 is an apocalyptic number.

It is an amenable number.

21304202301 is a deficient number, since it is larger than the sum of its proper divisors (9468534369).

21304202301 is a wasteful number, since it uses less digits than its factorization.

21304202301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367133595 (or 2367133592 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21304202301 its reverse (10320240312), we get a palindrome (31624442613).

The spelling of 21304202301 in words is "twenty-one billion, three hundred four million, two hundred two thousand, three hundred one".