20055730896 has 240 divisors, whose sum is σ = 62027696640. Its totient is φ = 6255169920.

The previous prime is 20055730873. The next prime is 20055730931. The reversal of 20055730896 is 69803755002.

It is a happy number.

20055730896 is a `hidden beast` number, since 2 + 0 + 0 + 557 + 3 + 0 + 8 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6129741 + ... + 6133011.

It is an arithmetic number, because the mean of its divisors is an integer number (258448736).

Almost surely, 2^20055730896 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 20055730896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31013848320).

20055730896 is an abundant number, since it is smaller than the sum of its proper divisors (41971965744).

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

20055730896 is a wasteful number, since it uses less digits than its factorization.

20055730896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396 (or 3378 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 20055730896 in words is "twenty billion, fifty-five million, seven hundred thirty thousand, eight hundred ninety-six".