20201120100222 has 16 divisors (see below), whose sum is σ = 42778842565392. Its totient is φ = 6337606305920.

The previous prime is 20201120100199. The next prime is 20201120100233. The reversal of 20201120100222 is 22200102110202.

It is a congruent number.

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, 99025098429 + ... + 99025098632.

It is an arithmetic number, because the mean of its divisors is an integer number (2673677660337).

Almost surely, 2^{20201120100222} is an apocalyptic number.

20201120100222 is an abundant number, since it is smaller than the sum of its proper divisors (22577722465170).

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

20201120100222 is a wasteful number, since it uses less digits than its factorization.

20201120100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198050197083.

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

Adding to 20201120100222 its reverse (22200102110202), we get a palindrome (42401222210424).

The spelling of 20201120100222 in words is "twenty trillion, two hundred one billion, one hundred twenty million, one hundred thousand, two hundred twenty-two".