21320301202 has 8 divisors (see below), whose sum is σ = 32583856716. Its totient is φ = 10459015632.

The previous prime is 21320301199. The next prime is 21320301253. The reversal of 21320301202 is 20210302312.

It can be written as a sum of positive squares in 2 ways, for example, as 21312788121 + 7513081 = 145989^2 + 2741^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100567353 + ... + 100567564.

Almost surely, 2^21320301202 is an apocalyptic number.

21320301202 is a deficient number, since it is larger than the sum of its proper divisors (11263555514).

21320301202 is a wasteful number, since it uses less digits than its factorization.

21320301202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201134972.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21320301202 its reverse (20210302312), we get a palindrome (41530603514).

The spelling of 21320301202 in words is "twenty-one billion, three hundred twenty million, three hundred one thousand, two hundred two".