20001020110022 has 24 divisors (see below), whose sum is σ = 34899944762304. Its totient is φ = 8571815265552.

The previous prime is 20001020109947. The next prime is 20001020110033. The reversal of 20001020110022 is 22001102010002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20001020109985 and 20001020110012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19547723 + ... + 20545449.

It is an arithmetic number, because the mean of its divisors is an integer number (1454164365096).

Almost surely, 2^{20001020110022} is an apocalyptic number.

20001020110022 is a deficient number, since it is larger than the sum of its proper divisors (14898924652282).

20001020110022 is a wasteful number, since it uses less digits than its factorization.

20001020110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202300 (or 1202293 counting only the distinct ones).

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

Adding to 20001020110022 its reverse (22001102010002), we get a palindrome (42002122120024).

The spelling of 20001020110022 in words is "twenty trillion, one billion, twenty million, one hundred ten thousand, twenty-two".