20122322208 has 96 divisors (see below), whose sum is σ = 54567862272. Its totient is φ = 6485971200.

The previous prime is 20122322197. The next prime is 20122322243. The reversal of 20122322208 is 80222322102.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6280735 + ... + 6283937.

It is an arithmetic number, because the mean of its divisors is an integer number (568415232).

Almost surely, 2^20122322208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122322208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27283931136).

20122322208 is an abundant number, since it is smaller than the sum of its proper divisors (34445540064).

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

20122322208 is a wasteful number, since it uses less digits than its factorization.

20122322208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358 (or 5350 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The spelling of 20122322208 in words is "twenty billion, one hundred twenty-two million, three hundred twenty-two thousand, two hundred eight".