201802002688 has 144 divisors (see below), whose sum is σ = 479909549952. Its totient is φ = 83478528000.

The previous prime is 201802002671. The next prime is 201802002739. The reversal of 201802002688 is 886200208102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2560348 + ... + 2637988.

It is an arithmetic number, because the mean of its divisors is an integer number (3332705208).

Almost surely, 2^201802002688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201802002688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239954774976).

201802002688 is an abundant number, since it is smaller than the sum of its proper divisors (278107547264).

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

201802002688 is a wasteful number, since it uses less digits than its factorization.

201802002688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77752 (or 77738 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The spelling of 201802002688 in words is "two hundred one billion, eight hundred two million, two thousand, six hundred eighty-eight".