20001012110993 has 8 divisors (see below), whose sum is σ = 21120112413120. Its totient is φ = 18888553354320.

The previous prime is 20001012110983. The next prime is 20001012111011. The reversal of 20001012110993 is 39901121010002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20001012110993 - 2⁴ = 20001012110977 is a prime.

It is a super-3 number, since 3×20001012110993³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20001012110923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1660380173 + ... + 1660392218.

It is an arithmetic number, because the mean of its divisors is an integer number (2640014051640).

Almost surely, 2^{20001012110993} is an apocalyptic number.

It is an amenable number.

20001012110993 is a deficient number, since it is larger than the sum of its proper divisors (1119100302127).

20001012110993 is a wasteful number, since it uses less digits than its factorization.

20001012110993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320772727.

The product of its (nonzero) digits is 972, while the sum is 29.

Adding to 20001012110993 its reverse (39901121010002), we get a palindrome (59902133120995).

The spelling of 20001012110993 in words is "twenty trillion, one billion, twelve million, one hundred ten thousand, nine hundred ninety-three".