2020022197 has 8 divisors (see below), whose sum is σ = 2025592344. Its totient is φ = 2014460928.

The previous prime is 2020022143. The next prime is 2020022209. The reversal of 2020022197 is 7912200202.

It can be written as a sum of positive squares in 4 ways, for example, as 188952516 + 1831069681 = 13746^2 + 42791^2 .

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 2020022197 - 2¹⁵ = 2019989429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020052197) 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, 777733 + ... + 780325.

It is an arithmetic number, because the mean of its divisors is an integer number (253199043).

Almost surely, 2^2020022197 is an apocalyptic number.

It is an amenable number.

2020022197 is a deficient number, since it is larger than the sum of its proper divisors (5570147).

2020022197 is a wasteful number, since it uses less digits than its factorization.

2020022197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2020022197 is about 44944.6570461940. The cubic root of 2020022197 is about 1264.1114951070. Note that the first 3 decimals are identical.

Adding to 2020022197 its reverse (7912200202), we get a palindrome (9932222399).

The spelling of 2020022197 in words is "two billion, twenty million, twenty-two thousand, one hundred ninety-seven".