20059451496 has 256 divisors, whose sum is σ = 67415040000. Its totient is φ = 5404444416.

The previous prime is 20059451479. The next prime is 20059451497. The reversal of 20059451496 is 69415495002.

20059451496 is a `hidden beast` number, since 2 + 0 + 0 + 594 + 51 + 4 + 9 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (20059451497) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1880145 + ... + 1890783.

It is an arithmetic number, because the mean of its divisors is an integer number (263340000).

Almost surely, 2^20059451496 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 20059451496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33707520000).

20059451496 is an abundant number, since it is smaller than the sum of its proper divisors (47355588504).

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

20059451496 is a wasteful number, since it uses less digits than its factorization.

20059451496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10733 (or 10723 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 20059451496 in words is "twenty billion, fifty-nine million, four hundred fifty-one thousand, four hundred ninety-six".