20000132132985 has 32 divisors (see below), whose sum is σ = 37427147856000. Its totient is φ = 10105329918528.

The previous prime is 20000132132963. The next prime is 20000132132999. The reversal of 20000132132985 is 58923123100002.

20000132132985 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 0 + 1 + 321 + 329 + 8 + 5 = 666.

It is not a de Polignac number, because 20000132132985 - 2¹⁰ = 20000132131961 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3898658670 + ... + 3898663799.

It is an arithmetic number, because the mean of its divisors is an integer number (1169598370500).

Almost surely, 2^{20000132132985} is an apocalyptic number.

It is an amenable number.

20000132132985 is a deficient number, since it is larger than the sum of its proper divisors (17427015723015).

20000132132985 is a wasteful number, since it uses less digits than its factorization.

20000132132985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797322502 (or 7797322496 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 20000132132985 its reverse (58923123100002), we get a palindrome (78923255232987).

The spelling of 20000132132985 in words is "twenty trillion, one hundred thirty-two million, one hundred thirty-two thousand, nine hundred eighty-five".