21202133330 has 16 divisors (see below), whose sum is σ = 43615817280. Its totient is φ = 7269302832.

The previous prime is 21202133327. The next prime is 21202133341. The reversal of 21202133330 is 3333120212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151443740 + ... + 151443879.

It is an arithmetic number, because the mean of its divisors is an integer number (2725988580).

Almost surely, 2^21202133330 is an apocalyptic number.

21202133330 is an abundant number, since it is smaller than the sum of its proper divisors (22413683950).

21202133330 is a wasteful number, since it uses less digits than its factorization.

21202133330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302887633.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21202133330 its reverse (3333120212), we get a palindrome (24535253542).

The spelling of 21202133330 in words is "twenty-one billion, two hundred two million, one hundred thirty-three thousand, three hundred thirty".