221020200022 has 16 divisors (see below), whose sum is σ = 349177796352. Its totient is φ = 104717410600.

The previous prime is 221020200019. The next prime is 221020200047. The reversal of 221020200022 is 220002020122.

It is a junction number, because it is equal to n+sod(n) for n = 221020199975 and 221020200011.

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, 22447354 + ... + 22457197.

It is an arithmetic number, because the mean of its divisors is an integer number (21823612272).

Almost surely, 2^221020200022 is an apocalyptic number.

221020200022 is a deficient number, since it is larger than the sum of its proper divisors (128157596330).

221020200022 is a wasteful number, since it uses less digits than its factorization.

221020200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44904683.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 221020200022 its reverse (220002020122), we get a palindrome (441022220144).

The spelling of 221020200022 in words is "two hundred twenty-one billion, twenty million, two hundred thousand, twenty-two".