20096547840 has 264 divisors, whose sum is σ = 70125307200. Its totient is φ = 5321293824.

The previous prime is 20096547839. The next prime is 20096547869. The reversal of 20096547840 is 4874569002.

It is a happy number.

20096547840 is a `hidden beast` number, since 20 + 0 + 9 + 6 + 547 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6864457 + ... + 6867383.

Almost surely, 2^20096547840 is an apocalyptic number.

20096547840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20096547840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35062653600).

20096547840 is an abundant number, since it is smaller than the sum of its proper divisors (50028759360).

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

20096547840 is a wasteful number, since it uses less digits than its factorization.

20096547840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107 (or 3086 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 20096547840 in words is "twenty billion, ninety-six million, five hundred forty-seven thousand, eight hundred forty".