20001122097 has 64 divisors (see below), whose sum is σ = 30504714240. Its totient is φ = 11547360000.

The previous prime is 20001122093. The next prime is 20001122171. The reversal of 20001122097 is 79022110002.

It is not a de Polignac number, because 20001122097 - 2² = 20001122093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20001122093) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20182272 + ... + 20183262.

It is an arithmetic number, because the mean of its divisors is an integer number (476636160).

Almost surely, 2^20001122097 is an apocalyptic number.

It is an amenable number.

20001122097 is a deficient number, since it is larger than the sum of its proper divisors (10503592143).

20001122097 is a wasteful number, since it uses less digits than its factorization.

20001122097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its (nonzero) digits is 504, while the sum is 24.

Adding to 20001122097 its reverse (79022110002), we get a palindrome (99023232099).

The spelling of 20001122097 in words is "twenty billion, one million, one hundred twenty-two thousand, ninety-seven".