20022200002021 has 8 divisors (see below), whose sum is σ = 22884820375104. Its totient is φ = 17160156150720.

The previous prime is 20022200002003. The next prime is 20022200002031. The reversal of 20022200002021 is 12020000222002.

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

It is a cyclic number.

It is not a de Polignac number, because 20022200002021 - 2¹⁹ = 20022199477733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20022200001992 and 20022200002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022200002001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144056020 + ... + 144194941.

It is an arithmetic number, because the mean of its divisors is an integer number (2860602546888).

Almost surely, 2^{20022200002021} is an apocalyptic number.

It is an amenable number.

20022200002021 is a deficient number, since it is larger than the sum of its proper divisors (2862620373083).

20022200002021 is an equidigital number, since it uses as much as digits as its factorization.

20022200002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288260891.

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

Adding to 20022200002021 its reverse (12020000222002), we get a palindrome (32042200224023).

The spelling of 20022200002021 in words is "twenty trillion, twenty-two billion, two hundred million, two thousand, twenty-one".