2020111993 has 8 divisors (see below), whose sum is σ = 2097768960. Its totient is φ = 1943235840.

The previous prime is 2020111967. The next prime is 2020112063. The reversal of 2020111993 is 3991110202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020111993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020111963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189928 + ... + 200281.

It is an arithmetic number, because the mean of its divisors is an integer number (262221120).

Almost surely, 2^2020111993 is an apocalyptic number.

It is an amenable number.

2020111993 is a deficient number, since it is larger than the sum of its proper divisors (77656967).

2020111993 is a wasteful number, since it uses less digits than its factorization.

2020111993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390407.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2020111993 is about 44945.6559969926. The cubic root of 2020111993 is about 1264.1302260025.

The spelling of 2020111993 in words is "two billion, twenty million, one hundred eleven thousand, nine hundred ninety-three".