20001020102202 has 16 divisors (see below), whose sum is σ = 40398100009632. Its totient is φ = 6600996733200.

The previous prime is 20001020102201. The next prime is 20001020102221. The reversal of 20001020102202 is 20220102010002.

It is not an unprimeable number, because it can be changed into a prime (20001020102201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16502491228 + ... + 16502492439.

It is an arithmetic number, because the mean of its divisors is an integer number (2524881250602).

Almost surely, 2^{20001020102202} is an apocalyptic number.

20001020102202 is an abundant number, since it is smaller than the sum of its proper divisors (20397079907430).

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

20001020102202 is a wasteful number, since it uses less digits than its factorization.

20001020102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33004983773.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20001020102202 its reverse (20220102010002), we get a palindrome (40221122112204).

The spelling of 20001020102202 in words is "twenty trillion, one billion, twenty million, one hundred two thousand, two hundred two".