20122100222094 has 96 divisors (see below), whose sum is σ = 49461418450080. Its totient is φ = 5860956600576.

The previous prime is 20122100222069. The next prime is 20122100222137. The reversal of 20122100222094 is 49022200122102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3905464 + ... + 7449620.

It is an arithmetic number, because the mean of its divisors is an integer number (515223108855).

Almost surely, 2^{20122100222094} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122100222094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24730709225040).

20122100222094 is an abundant number, since it is smaller than the sum of its proper divisors (29339318227986).

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

20122100222094 is a wasteful number, since it uses less digits than its factorization.

20122100222094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545474 (or 3545471 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 20122100222094 its reverse (49022200122102), we get a palindrome (69144300344196).

The spelling of 20122100222094 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, two hundred twenty-two thousand, ninety-four".