20022221204 has 12 divisors (see below), whose sum is σ = 36883039200. Its totient is φ = 9484210008.

The previous prime is 20022221201. The next prime is 20022221221. The reversal of 20022221204 is 40212222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022221201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131725064 + ... + 131725215.

It is an arithmetic number, because the mean of its divisors is an integer number (3073586600).

Almost surely, 2^20022221204 is an apocalyptic number.

It is an amenable number.

20022221204 is a deficient number, since it is larger than the sum of its proper divisors (16860817996).

20022221204 is a wasteful number, since it uses less digits than its factorization.

20022221204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263450302 (or 263450300 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20022221204 its reverse (40212222002), we get a palindrome (60234443206).

The spelling of 20022221204 in words is "twenty billion, twenty-two million, two hundred twenty-one thousand, two hundred four".