21332013202 has 32 divisors (see below), whose sum is σ = 34140839040. Its totient is φ = 9961593600.

The previous prime is 21332013191. The next prime is 21332013223. The reversal of 21332013202 is 20231023312.

It is a self number, because there is not a number n which added to its sum of digits gives 21332013202.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3738952 + ... + 3744652.

It is an arithmetic number, because the mean of its divisors is an integer number (1066901220).

Almost surely, 2^21332013202 is an apocalyptic number.

21332013202 is a deficient number, since it is larger than the sum of its proper divisors (12808825838).

21332013202 is a wasteful number, since it uses less digits than its factorization.

21332013202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21332013202 its reverse (20231023312), we get a palindrome (41563036514).

The spelling of 21332013202 in words is "twenty-one billion, three hundred thirty-two million, thirteen thousand, two hundred two".