20000220022 has 4 divisors (see below), whose sum is σ = 30000330036. Its totient is φ = 10000110010.

The previous prime is 20000220001. The next prime is 20000220073. The reversal of 20000220022 is 22002200002.

It is a semiprime because it is the product of two primes.

20000220022 is a modest number, since divided by 220022 gives 200 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20000219990 and 20000220008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000055004 + ... + 5000055007.

It is an arithmetic number, because the mean of its divisors is an integer number (7500082509).

Almost surely, 2^20000220022 is an apocalyptic number.

20000220022 is a deficient number, since it is larger than the sum of its proper divisors (10000110014).

20000220022 is a wasteful number, since it uses less digits than its factorization.

20000220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000110013.

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20000220022 its reverse (22002200002), we get a palindrome (42002420024).

The spelling of 20000220022 in words is "twenty billion, two hundred twenty thousand, twenty-two".