2018205696 has 112 divisors (see below), whose sum is σ = 5796436464. Its totient is φ = 620888064.

The previous prime is 2018205659. The next prime is 2018205697. The reversal of 2018205696 is 6965028102.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018205697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316330 + ... + 322646.

It is an arithmetic number, because the mean of its divisors is an integer number (51753897).

Almost surely, 2^2018205696 is an apocalyptic number.

2018205696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2018205696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2898218232).

2018205696 is an abundant number, since it is smaller than the sum of its proper divisors (3778230768).

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

2018205696 is an equidigital number, since it uses as much as digits as its factorization.

2018205696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6359 (or 6335 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 2018205696 is about 44924.4443037418. Note that the first 3 decimals coincide. The cubic root of 2018205696 is about 1263.7324648758.

The spelling of 2018205696 in words is "two billion, eighteen million, two hundred five thousand, six hundred ninety-six".