20200222242 has 12 divisors (see below), whose sum is σ = 43767148230. Its totient is φ = 6733407408.

The previous prime is 20200222199. The next prime is 20200222243. The reversal of 20200222242 is 24222200202.

It is a happy number.

20200222242 is a `hidden beast` number, since 2 + 0 + 200 + 222 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10876195521 + 9324026721 = 104289^2 + 96561^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1122234569 = 20200222242 / (2 + 0 + 2 + 0 + 0 + 2 + 2 + 2 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (20200222243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561117267 + ... + 561117302.

Almost surely, 2^20200222242 is an apocalyptic number.

20200222242 is an abundant number, since it is smaller than the sum of its proper divisors (23566925988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20200222242 is a wasteful number, since it uses less digits than its factorization.

20200222242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122234577 (or 1122234574 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20200222242 its reverse (24222200202), we get a palindrome (44422422444).

The spelling of 20200222242 in words is "twenty billion, two hundred million, two hundred twenty-two thousand, two hundred forty-two".