20122122700 has 72 divisors (see below), whose sum is σ = 47134795680. Its totient is φ = 7433395200.

The previous prime is 20122122659. The next prime is 20122122701. The reversal of 20122122700 is 722122102.

It is not an unprimeable number, because it can be changed into a prime (20122122701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84141 + ... + 217540.

It is an arithmetic number, because the mean of its divisors is an integer number (654649940).

Almost surely, 2^20122122700 is an apocalyptic number.

20122122700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122122700 is an abundant number, since it is smaller than the sum of its proper divisors (27012672980).

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

20122122700 is a wasteful number, since it uses less digits than its factorization.

20122122700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301747 (or 301740 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 20122122700 its reverse (722122102), we get a palindrome (20844244802).

The spelling of 20122122700 in words is "twenty billion, one hundred twenty-two million, one hundred twenty-two thousand, seven hundred".