2020222004 has 6 divisors (see below), whose sum is σ = 3535388514. Its totient is φ = 1010111000.

The previous prime is 2020222003. The next prime is 2020222079. The reversal of 2020222004 is 4002220202.

It can be written as a sum of positive squares in only one way, i.e., 1751589904 + 268632100 = 41852^2 + 16390^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2020222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020222003) 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 as a sum of consecutive naturals, namely, 252527747 + ... + 252527754.

It is an arithmetic number, because the mean of its divisors is an integer number (589231419).

Almost surely, 2^2020222004 is an apocalyptic number.

It is an amenable number.

2020222004 is a deficient number, since it is larger than the sum of its proper divisors (1515166510).

2020222004 is a wasteful number, since it uses less digits than its factorization.

2020222004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505055505 (or 505055503 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2020222004 is about 44946.8798027182. The cubic root of 2020222004 is about 1264.1531728666.

Adding to 2020222004 its reverse (4002220202), we get a palindrome (6022442206).

The spelling of 2020222004 in words is "two billion, twenty million, two hundred twenty-two thousand, four".