2020022221 has 8 divisors (see below), whose sum is σ = 2430102080. Its totient is φ = 1640318688.

The previous prime is 2020022209. The next prime is 2020022261. The reversal of 2020022221 is 1222200202.

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 2020022221 - 2²¹ = 2017925069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020022261) 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, 7593936 + ... + 7594201.

It is an arithmetic number, because the mean of its divisors is an integer number (303762760).

Almost surely, 2^2020022221 is an apocalyptic number.

It is an amenable number.

2020022221 is a deficient number, since it is larger than the sum of its proper divisors (410079859).

2020022221 is a wasteful number, since it uses less digits than its factorization.

2020022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15188163.

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

The square root of 2020022221 is about 44944.6573131891. The cubic root of 2020022221 is about 1264.1115001134. Note that the first 3 decimals are identical.

Adding to 2020022221 its reverse (1222200202), we get a palindrome (3242222423).

The spelling of 2020022221 in words is "two billion, twenty million, twenty-two thousand, two hundred twenty-one".