2000129918 has 8 divisors (see below), whose sum is σ = 3004951440. Its totient is φ = 998479440.

The previous prime is 2000129909. The next prime is 2000129927. The reversal of 2000129918 is 8199210002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2000129909) and next prime (2000129927).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791183 + ... + 793706.

It is an arithmetic number, because the mean of its divisors is an integer number (375618930).

Almost surely, 2^2000129918 is an apocalyptic number.

2000129918 is a deficient number, since it is larger than the sum of its proper divisors (1004821522).

2000129918 is a wasteful number, since it uses less digits than its factorization.

2000129918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585522.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 2000129918 is about 44722.8120538054. The cubic root of 2000129918 is about 1259.9483303747.

The spelling of 2000129918 in words is "two billion, one hundred twenty-nine thousand, nine hundred eighteen".