10420111993 has 16 divisors (see below), whose sum is σ = 11244643200. Its totient is φ = 9623560320.

The previous prime is 10420111991. The next prime is 10420111997. The reversal of 10420111993 is 39911102401.

10420111993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10420111993 - 2¹ = 10420111991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10420111991) 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 15 ways as a sum of consecutive naturals, for example, 1197663 + ... + 1206331.

It is an arithmetic number, because the mean of its divisors is an integer number (702790200).

Almost surely, 2^10420111993 is an apocalyptic number.

It is an amenable number.

10420111993 is a deficient number, since it is larger than the sum of its proper divisors (824531207).

10420111993 is a wasteful number, since it uses less digits than its factorization.

10420111993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10272.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 10420111993 in words is "ten billion, four hundred twenty million, one hundred eleven thousand, nine hundred ninety-three".