20068565832 has 120 divisors (see below), whose sum is σ = 65387905110. Its totient is φ = 5733866880.

The previous prime is 20068565831. The next prime is 20068565879. The reversal of 20068565832 is 23856586002.

20068565832 is a `hidden beast` number, since 2 + 0 + 0 + 6 + 8 + 565 + 83 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10135254276 + 9933311556 = 100674^2 + 99666^2 .

It is not an unprimeable number, because it can be changed into a prime (20068565831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 284269 + ... + 347772.

Almost surely, 2^20068565832 is an apocalyptic number.

It is an amenable number.

20068565832 is an abundant number, since it is smaller than the sum of its proper divisors (45319339278).

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

20068565832 is a wasteful number, since it uses less digits than its factorization.

20068565832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632073 (or 632053 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 20068565832 in words is "twenty billion, sixty-eight million, five hundred sixty-five thousand, eight hundred thirty-two".