21202333030230 has 32 divisors (see below), whose sum is σ = 55511562843648. Its totient is φ = 5139959522400.

The previous prime is 21202333030171. The next prime is 21202333030237. The reversal of 21202333030230 is 3203033320212.

It is a self number, because there is not a number n which added to its sum of digits gives 21202333030230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202333030237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32124746686 + ... + 32124747345.

It is an arithmetic number, because the mean of its divisors is an integer number (1734736338864).

Almost surely, 2^{21202333030230} is an apocalyptic number.

21202333030230 is an abundant number, since it is smaller than the sum of its proper divisors (34309229813418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21202333030230 is a wasteful number, since it uses less digits than its factorization.

21202333030230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64249494052.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 21202333030230 its reverse (3203033320212), we get a palindrome (24405366350442).

The spelling of 21202333030230 in words is "twenty-one trillion, two hundred two billion, three hundred thirty-three million, thirty thousand, two hundred thirty".