20201020323122 has 4 divisors (see below), whose sum is σ = 30301530484686. Its totient is φ = 10100510161560.

The previous prime is 20201020323101. The next prime is 20201020323151. The reversal of 20201020323122 is 22132302010202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17012399402881 + 3188620920241 = 4124609^2 + 1785671^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20201020323094 and 20201020323103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050255080779 + ... + 5050255080782.

Almost surely, 2^{20201020323122} is an apocalyptic number.

20201020323122 is a deficient number, since it is larger than the sum of its proper divisors (10100510161564).

20201020323122 is a wasteful number, since it uses less digits than its factorization.

20201020323122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100510161563.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20201020323122 its reverse (22132302010202), we get a palindrome (42333322333324).

The spelling of 20201020323122 in words is "twenty trillion, two hundred one billion, twenty million, three hundred twenty-three thousand, one hundred twenty-two".