20202122201 has 8 divisors (see below), whose sum is σ = 20592039240. Its totient is φ = 19812529152.

The previous prime is 20202122123. The next prime is 20202122203. The reversal of 20202122201 is 10222120202.

It can be written as a sum of positive squares in 4 ways, for example, as 3340840000 + 16861282201 = 57800^2 + 129851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202122201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202122203) 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 7 ways as a sum of consecutive naturals, for example, 46841 + ... + 206393.

It is an arithmetic number, because the mean of its divisors is an integer number (2574004905).

Almost surely, 2^20202122201 is an apocalyptic number.

It is an amenable number.

20202122201 is a deficient number, since it is larger than the sum of its proper divisors (389917039).

20202122201 is a wasteful number, since it uses less digits than its factorization.

20202122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161995.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20202122201 its reverse (10222120202), we get a palindrome (30424242403).

The spelling of 20202122201 in words is "twenty billion, two hundred two million, one hundred twenty-two thousand, two hundred one".