18586020101 has 16 divisors (see below), whose sum is σ = 20764895616. Its totient is φ = 16493400000.

The previous prime is 18586020097. The next prime is 18586020107. The reversal of 18586020101 is 10102068581.

It is not a de Polignac number, because 18586020101 - 2² = 18586020097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18586020107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38930 + ... + 196691.

It is an arithmetic number, because the mean of its divisors is an integer number (1297805976).

Almost surely, 2^18586020101 is an apocalyptic number.

18586020101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18586020101 is a deficient number, since it is larger than the sum of its proper divisors (2178875515).

18586020101 is a wasteful number, since it uses less digits than its factorization.

18586020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235804.

The product of its (nonzero) digits is 3840, while the sum is 32.

Adding to 18586020101 its reverse (10102068581), we get a palindrome (28688088682).

The spelling of 18586020101 in words is "eighteen billion, five hundred eighty-six million, twenty thousand, one hundred one".