20299160578608 has 240 divisors, whose sum is σ = 60366888271872. Its totient is φ = 6356335680000.

The previous prime is 20299160578601. The next prime is 20299160578637. The reversal of 20299160578608 is 80687506199202.

20299160578608 is a `hidden beast` number, since 2 + 0 + 2 + 9 + 9 + 16 + 0 + 5 + 7 + 8 + 608 = 666.

It is a super-2 number, since 2×20299160578608² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20299160578601) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 71044833 + ... + 71329983.

Almost surely, 2^{20299160578608} 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 20299160578608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30183444135936).

20299160578608 is an abundant number, since it is smaller than the sum of its proper divisors (40067727693264).

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

20299160578608 is a wasteful number, since it uses less digits than its factorization.

20299160578608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285664 (or 285655 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 20299160578608 in words is "twenty trillion, two hundred ninety-nine billion, one hundred sixty million, five hundred seventy-eight thousand, six hundred eight".