20201122122 has 16 divisors (see below), whose sum is σ = 41795425440. Its totient is φ = 6501510512.

The previous prime is 20201122121. The next prime is 20201122129. The reversal of 20201122122 is 22122110202.

It is not an unprimeable number, because it can be changed into a prime (20201122121) 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, 58049028 + ... + 58049375.

It is an arithmetic number, because the mean of its divisors is an integer number (2612214090).

Almost surely, 2^20201122122 is an apocalyptic number.

20201122122 is an abundant number, since it is smaller than the sum of its proper divisors (21594303318).

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

20201122122 is a wasteful number, since it uses less digits than its factorization.

20201122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116098437.

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

Adding to 20201122122 its reverse (22122110202), we get a palindrome (42323232324).

The spelling of 20201122122 in words is "twenty billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-two".