20747487096 has 240 divisors, whose sum is σ = 68533557840. Its totient is φ = 5845996800.

The previous prime is 20747487077. The next prime is 20747487109. The reversal of 20747487096 is 69078474702.

20747487096 is a `hidden beast` number, since 2 + 0 + 7 + 474 + 87 + 0 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2313421 + ... + 2322371.

It is an arithmetic number, because the mean of its divisors is an integer number (285556491).

Almost surely, 2^20747487096 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 20747487096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34266778920).

20747487096 is an abundant number, since it is smaller than the sum of its proper divisors (47786070744).

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

20747487096 is a wasteful number, since it uses less digits than its factorization.

20747487096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056 (or 9036 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 20747487096 in words is "twenty billion, seven hundred forty-seven million, four hundred eighty-seven thousand, ninety-six".