20201200122 has 16 divisors (see below), whose sum is σ = 40451264352. Its totient is φ = 6725589360.

The previous prime is 20201200091. The next prime is 20201200169. The reversal of 20201200122 is 22100210202.

It is a junction number, because it is equal to n+sod(n) for n = 20201200098 and 20201200107.

It is an unprimeable number.

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, 2030629 + ... + 2040552.

It is an arithmetic number, because the mean of its divisors is an integer number (2528204022).

Almost surely, 2^20201200122 is an apocalyptic number.

20201200122 is an abundant number, since it is smaller than the sum of its proper divisors (20250064230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20201200122 is a wasteful number, since it uses less digits than its factorization.

20201200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072013.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20201200122 its reverse (22100210202), we get a palindrome (42301410324).

The spelling of 20201200122 in words is "twenty billion, two hundred one million, two hundred thousand, one hundred twenty-two".