20100100022 has 32 divisors (see below), whose sum is σ = 31274026560. Its totient is φ = 9682053120.

The previous prime is 20100099997. The next prime is 20100100037. The reversal of 20100100022 is 22000100102.

It is a junction number, because it is equal to n+sod(n) for n = 20100099982 and 20100100009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3871004 + ... + 3876192.

It is an arithmetic number, because the mean of its divisors is an integer number (977313330).

Almost surely, 2^20100100022 is an apocalyptic number.

20100100022 is a deficient number, since it is larger than the sum of its proper divisors (11173926538).

20100100022 is a wasteful number, since it uses less digits than its factorization.

20100100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5816.

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

Adding to 20100100022 its reverse (22000100102), we get a palindrome (42100200124).

The spelling of 20100100022 in words is "twenty billion, one hundred million, one hundred thousand, twenty-two".