20001022112202 has 16 divisors (see below), whose sum is σ = 40002120617760. Its totient is φ = 6666994638512.

The previous prime is 20001022112191. The next prime is 20001022112233. The reversal of 20001022112202 is 20221122010002.

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, 558949 + ... + 6349367.

It is an arithmetic number, because the mean of its divisors is an integer number (2500132538610).

Almost surely, 2^{20001022112202} is an apocalyptic number.

20001022112202 is an abundant number, since it is smaller than the sum of its proper divisors (20001098505558).

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

20001022112202 is a wasteful number, since it uses less digits than its factorization.

20001022112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366117.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20001022112202 its reverse (20221122010002), we get a palindrome (40222144122204).

The spelling of 20001022112202 in words is "twenty trillion, one billion, twenty-two million, one hundred twelve thousand, two hundred two".