20200201021122 has 16 divisors (see below), whose sum is σ = 42156941261760. Its totient is φ = 6440643803792.

The previous prime is 20200201021109. The next prime is 20200201021123. The reversal of 20200201021122 is 22112010200202.

It is not an unprimeable number, because it can be changed into a prime (20200201021123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73189133997 + ... + 73189134272.

It is an arithmetic number, because the mean of its divisors is an integer number (2634808828860).

Almost surely, 2^{20200201021122} is an apocalyptic number.

20200201021122 is an abundant number, since it is smaller than the sum of its proper divisors (21956740240638).

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

20200201021122 is a wasteful number, since it uses less digits than its factorization.

20200201021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146378268297.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20200201021122 its reverse (22112010200202), we get a palindrome (42312211221324).

The spelling of 20200201021122 in words is "twenty trillion, two hundred billion, two hundred one million, twenty-one thousand, one hundred twenty-two".