20022225121 has 16 divisors (see below), whose sum is σ = 20971872000. Its totient is φ = 19079323648.

The previous prime is 20022225101. The next prime is 20022225143. The reversal of 20022225121 is 12152222002.

It is a cyclic number.

It is not a de Polignac number, because 20022225121 - 2¹¹ = 20022223073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022225101) 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 15 ways as a sum of consecutive naturals, for example, 9592740 + ... + 9594826.

It is an arithmetic number, because the mean of its divisors is an integer number (1310742000).

Almost surely, 2^20022225121 is an apocalyptic number.

It is an amenable number.

20022225121 is a deficient number, since it is larger than the sum of its proper divisors (949646879).

20022225121 is a wasteful number, since it uses less digits than its factorization.

20022225121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 20022225121 its reverse (12152222002), we get a palindrome (32174447123).

The spelling of 20022225121 in words is "twenty billion, twenty-two million, two hundred twenty-five thousand, one hundred twenty-one".