18586020102 has 48 divisors (see below), whose sum is σ = 40390987728. Its totient is φ = 5667863040.

The previous prime is 18586020097. The next prime is 18586020107. The reversal of 18586020102 is 20102068581.

It is an interprime number because it is at equal distance from previous prime (18586020097) and next prime (18586020107).

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 23 ways as a sum of consecutive naturals, for example, 986652 + ... + 1005312.

It is an arithmetic number, because the mean of its divisors is an integer number (841478911).

Almost surely, 2^18586020102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18586020102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20195493864).

18586020102 is an abundant number, since it is smaller than the sum of its proper divisors (21804967626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18586020102 is a wasteful number, since it uses less digits than its factorization.

18586020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18905 (or 18792 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

Adding to 18586020102 its reverse (20102068581), we get a palindrome (38688088683).

The spelling of 18586020102 in words is "eighteen billion, five hundred eighty-six million, twenty thousand, one hundred two".