2020000122221 has 4 divisors (see below), whose sum is σ = 2020017015744. Its totient is φ = 2019983228700.

The previous prime is 2020000122211. The next prime is 2020000122367. The reversal of 2020000122221 is 1222210000202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020000122221 is a prime.

It is a Duffinian number.

2020000122221 is a modest number, since divided by 122221 gives 202 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2020000122196 and 2020000122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020000122211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8266115 + ... + 8506976.

It is an arithmetic number, because the mean of its divisors is an integer number (505004253936).

Almost surely, 2^{2020000122221} is an apocalyptic number.

It is an amenable number.

2020000122221 is a deficient number, since it is larger than the sum of its proper divisors (16893523).

2020000122221 is a wasteful number, since it uses less digits than its factorization.

2020000122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16893522.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2020000122221 its reverse (1222210000202), we get a palindrome (3242210122423).

The spelling of 2020000122221 in words is "two trillion, twenty billion, one hundred twenty-two thousand, two hundred twenty-one".