20001122094 has 16 divisors (see below), whose sum is σ = 40009882320. Its totient is φ = 6665767680.

The previous prime is 20001122093. The next prime is 20001122171. The reversal of 20001122094 is 49022110002.

It is a self number, because there is not a number n which added to its sum of digits gives 20001122094.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 283929 + ... + 347300.

It is an arithmetic number, because the mean of its divisors is an integer number (2500617645).

Almost surely, 2^20001122094 is an apocalyptic number.

20001122094 is an abundant number, since it is smaller than the sum of its proper divisors (20008760226).

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

20001122094 is a wasteful number, since it uses less digits than its factorization.

20001122094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636515.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20001122094 its reverse (49022110002), we get a palindrome (69023232096).

The spelling of 20001122094 in words is "twenty billion, one million, one hundred twenty-two thousand, ninety-four".