20001001102202 has 64 divisors (see below), whose sum is σ = 32994577760256. Its totient is φ = 9064653185280.

The previous prime is 20001001102163. The next prime is 20001001102253. The reversal of 20001001102202 is 20220110010002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12626723 + ... + 14122185.

It is an arithmetic number, because the mean of its divisors is an integer number (515540277504).

Almost surely, 2^{20001001102202} is an apocalyptic number.

20001001102202 is a deficient number, since it is larger than the sum of its proper divisors (12993576658054).

20001001102202 is a wasteful number, since it uses less digits than its factorization.

20001001102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495715.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20001001102202 its reverse (20220110010002), we get a palindrome (40221111112204).

The spelling of 20001001102202 in words is "twenty trillion, one billion, one million, one hundred two thousand, two hundred two".