20247122088 has 96 divisors (see below), whose sum is σ = 57460665600. Its totient is φ = 6428467584.

The previous prime is 20247122087. The next prime is 20247122089. The reversal of 20247122088 is 88022174202.

It is an interprime number because it is at equal distance from previous prime (20247122087) and next prime (20247122089).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20247122087) 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, 370206 + ... + 421362.

It is an arithmetic number, because the mean of its divisors is an integer number (598548600).

Almost surely, 2^20247122088 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 20247122088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28730332800).

20247122088 is an abundant number, since it is smaller than the sum of its proper divisors (37213543512).

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

20247122088 is a wasteful number, since it uses less digits than its factorization.

20247122088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51431 (or 51424 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The spelling of 20247122088 in words is "twenty billion, two hundred forty-seven million, one hundred twenty-two thousand, eighty-eight".