20022200012 has 6 divisors (see below), whose sum is σ = 35038850028. Its totient is φ = 10011100004.

The previous prime is 20022199997. The next prime is 20022200021. The reversal of 20022200012 is 21000222002.

It is a junction number, because it is equal to n+sod(n) for n = 20022199966 and 20022200002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502774998 + ... + 2502775005.

It is an arithmetic number, because the mean of its divisors is an integer number (5839808338).

Almost surely, 2^20022200012 is an apocalyptic number.

It is an amenable number.

20022200012 is a deficient number, since it is larger than the sum of its proper divisors (15016650016).

20022200012 is a wasteful number, since it uses less digits than its factorization.

20022200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005550007 (or 5005550005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20022200012 its reverse (21000222002), we get a palindrome (41022422014).

The spelling of 20022200012 in words is "twenty billion, twenty-two million, two hundred thousand, twelve".