20001100022 has 16 divisors (see below), whose sum is σ = 30189227040. Its totient is φ = 9938056128.

The previous prime is 20001100019. The next prime is 20001100033. The reversal of 20001100022 is 22000110002.

It is a junction number, because it is equal to n+sod(n) for n = 20001099982 and 20001100009.

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, 2156018 + ... + 2165274.

It is an arithmetic number, because the mean of its divisors is an integer number (1886826690).

Almost surely, 2^20001100022 is an apocalyptic number.

20001100022 is a deficient number, since it is larger than the sum of its proper divisors (10188127018).

20001100022 is a wasteful number, since it uses less digits than its factorization.

20001100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15895.

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

Adding to 20001100022 its reverse (22000110002), we get a palindrome (42001210024).

It can be divided in two parts, 2000110002 and 2, that multiplied together give a palindrome (4000220004).

The spelling of 20001100022 in words is "twenty billion, one million, one hundred thousand, twenty-two".