2001868370 has 8 divisors (see below), whose sum is σ = 3603363084. Its totient is φ = 800747344.

The previous prime is 2001868339. The next prime is 2001868373. The reversal of 2001868370 is 738681002.

It can be written as a sum of positive squares in 2 ways, for example, as 2000862361 + 1006009 = 44731^2 + 1003^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2001868370.

It is not an unprimeable number, because it can be changed into a prime (2001868373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100093409 + ... + 100093428.

Almost surely, 2^2001868370 is an apocalyptic number.

2001868370 is a deficient number, since it is larger than the sum of its proper divisors (1601494714).

2001868370 is a wasteful number, since it uses less digits than its factorization.

2001868370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200186844.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 2001868370 is about 44742.2436853585. The cubic root of 2001868370 is about 1260.3132609030.

It can be divided in two parts, 20018 and 68370, that added together give a palindrome (88388).

The spelling of 2001868370 in words is "two billion, one million, eight hundred sixty-eight thousand, three hundred seventy".