20075881983 has 4 divisors (see below), whose sum is σ = 26767842648. Its totient is φ = 13383921320.

The previous prime is 20075881981. The next prime is 20075881993. The reversal of 20075881983 is 38918857002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20075881983 - 2¹ = 20075881981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20075881981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345980328 + ... + 3345980333.

It is an arithmetic number, because the mean of its divisors is an integer number (6691960662).

Almost surely, 2^20075881983 is an apocalyptic number.

20075881983 is a deficient number, since it is larger than the sum of its proper divisors (6691960665).

20075881983 is an equidigital number, since it uses as much as digits as its factorization.

20075881983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691960664.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 20075881983 in words is "twenty billion, seventy-five million, eight hundred eighty-one thousand, nine hundred eighty-three".