20122230001 has 16 divisors (see below), whose sum is σ = 20613612240. Its totient is φ = 19635266560.

The previous prime is 20122229999. The next prime is 20122230019. The reversal of 20122230001 is 10003222102.

It can be written as a sum of positive squares in 8 ways, for example, as 1016079376 + 19106150625 = 31876^2 + 138225^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122230001 - 2¹ = 20122229999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122230031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13586181 + ... + 13587661.

It is an arithmetic number, because the mean of its divisors is an integer number (1288350765).

Almost surely, 2^20122230001 is an apocalyptic number.

It is an amenable number.

20122230001 is a deficient number, since it is larger than the sum of its proper divisors (491382239).

20122230001 is a wasteful number, since it uses less digits than its factorization.

20122230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20122230001 its reverse (10003222102), we get a palindrome (30125452103).

The spelling of 20122230001 in words is "twenty billion, one hundred twenty-two million, two hundred thirty thousand, one".