2001301988 has 24 divisors (see below), whose sum is σ = 4008211200. Its totient is φ = 856499328.

The previous prime is 2001301987. The next prime is 2001302003. The reversal of 2001301988 is 8891031002.

It is a super-5 number, since 5×2001301988⁵ (a number of 48 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001301987) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29573 + ... + 69836.

It is an arithmetic number, because the mean of its divisors is an integer number (167008800).

Almost surely, 2^2001301988 is an apocalyptic number.

2001301988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2001301988 is an abundant number, since it is smaller than the sum of its proper divisors (2006909212).

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

2001301988 is a wasteful number, since it uses less digits than its factorization.

2001301988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100139 (or 100137 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 2001301988 is about 44735.9138500601. The cubic root of 2001301988 is about 1260.1943909370.

The spelling of 2001301988 in words is "two billion, one million, three hundred one thousand, nine hundred eighty-eight".