20100321203332 has 12 divisors (see below), whose sum is σ = 36310257657856. Its totient is φ = 9725961872520.

The previous prime is 20100321203191. The next prime is 20100321203357. The reversal of 20100321203332 is 23330212300102.

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, 81049682148 + ... + 81049682395.

Almost surely, 2^{20100321203332} is an apocalyptic number.

It is an amenable number.

20100321203332 is a deficient number, since it is larger than the sum of its proper divisors (16209936454524).

20100321203332 is a wasteful number, since it uses less digits than its factorization.

20100321203332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162099364578 (or 162099364576 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20100321203332 its reverse (23330212300102), we get a palindrome (43430533503434).

The spelling of 20100321203332 in words is "twenty trillion, one hundred billion, three hundred twenty-one million, two hundred three thousand, three hundred thirty-two".