20000001101022 has 24 divisors (see below), whose sum is σ = 43377963291000. Its totient is φ = 6659801253360.

The previous prime is 20000001100999. The next prime is 20000001101029. The reversal of 20000001101022 is 22010110000002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20000001100995 and 20000001101013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000001101029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 572130397 + ... + 572165352.

It is an arithmetic number, because the mean of its divisors is an integer number (1807415137125).

Almost surely, 2^{20000001101022} is an apocalyptic number.

20000001101022 is an abundant number, since it is smaller than the sum of its proper divisors (23377962189978).

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

20000001101022 is a wasteful number, since it uses less digits than its factorization.

20000001101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144296728 (or 1144296725 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20000001101022 its reverse (22010110000002), we get a palindrome (42010111101024).

The spelling of 20000001101022 in words is "twenty trillion, one million, one hundred one thousand, twenty-two".