2020221225 has 36 divisors (see below), whose sum is σ = 3947394672. Its totient is φ = 979500000.

The previous prime is 2020221223. The next prime is 2020221239. The reversal of 2020221225 is 5221220202.

It is not a de Polignac number, because 2020221225 - 2¹ = 2020221223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020221198 and 2020221207.

It is not an unprimeable number, because it can be changed into a prime (2020221223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 405651 + ... + 410600.

It is an arithmetic number, because the mean of its divisors is an integer number (109649852).

Almost surely, 2^2020221225 is an apocalyptic number.

2020221225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2020221225 is a deficient number, since it is larger than the sum of its proper divisors (1927173447).

2020221225 is a wasteful number, since it uses less digits than its factorization.

2020221225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816278 (or 816270 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2020221225 is about 44946.8711369323. The cubic root of 2020221225 is about 1264.1530103802.

Adding to 2020221225 its reverse (5221220202), we get a palindrome (7241441427).

The spelling of 2020221225 in words is "two billion, twenty million, two hundred twenty-one thousand, two hundred twenty-five".