20012110983 has 24 divisors (see below), whose sum is σ = 30663459216. Its totient is φ = 12533356800.

The previous prime is 20012110961. The next prime is 20012110991. The reversal of 20012110983 is 38901121002.

It is not a de Polignac number, because 20012110983 - 2²¹ = 20010013831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012110883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38113 + ... + 203658.

It is an arithmetic number, because the mean of its divisors is an integer number (1277644134).

Almost surely, 2^20012110983 is an apocalyptic number.

20012110983 is a deficient number, since it is larger than the sum of its proper divisors (10651348233).

20012110983 is a wasteful number, since it uses less digits than its factorization.

20012110983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242335 (or 242332 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 20012110983 its reverse (38901121002), we get a palindrome (58913231985).

The spelling of 20012110983 in words is "twenty billion, twelve million, one hundred ten thousand, nine hundred eighty-three".