2100132018 has 48 divisors (see below), whose sum is σ = 4625300160. Its totient is φ = 688536288.

The previous prime is 2100131987. The next prime is 2100132019. The reversal of 2100132018 is 8102310012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2100132019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1346323 + ... + 1347881.

It is an arithmetic number, because the mean of its divisors is an integer number (96360420).

Almost surely, 2^2100132018 is an apocalyptic number.

2100132018 is an abundant number, since it is smaller than the sum of its proper divisors (2525168142).

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

2100132018 is a wasteful number, since it uses less digits than its factorization.

2100132018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2748 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 2100132018 is about 45827.1973613923. The cubic root of 2100132018 is about 1280.6059992665.

The spelling of 2100132018 in words is "two billion, one hundred million, one hundred thirty-two thousand, eighteen".