21200020200022 has 8 divisors (see below), whose sum is σ = 33670620317736. Its totient is φ = 9976480094112.

The previous prime is 21200020199993. The next prime is 21200020200091. The reversal of 21200020200022 is 22000202000212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21200020199975 and 21200020200011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311765002908 + ... + 311765002975.

It is an arithmetic number, because the mean of its divisors is an integer number (4208827539717).

Almost surely, 2^{21200020200022} is an apocalyptic number.

21200020200022 is a deficient number, since it is larger than the sum of its proper divisors (12470600117714).

21200020200022 is a wasteful number, since it uses less digits than its factorization.

21200020200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623530005902.

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

Adding to 21200020200022 its reverse (22000202000212), we get a palindrome (43200222200234).

The spelling of 21200020200022 in words is "twenty-one trillion, two hundred billion, twenty million, two hundred thousand, twenty-two".