2001263152 has 40 divisors (see below), whose sum is σ = 4433494016. Its totient is φ = 857272896.

The previous prime is 2001263123. The next prime is 2001263153. The reversal of 2001263152 is 2513621002.

It is not an unprimeable number, because it can be changed into a prime (2001263153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398803 + ... + 403789.

Almost surely, 2^2001263152 is an apocalyptic number.

It is an amenable number.

2001263152 is an abundant number, since it is smaller than the sum of its proper divisors (2432230864).

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

2001263152 is a wasteful number, since it uses less digits than its factorization.

2001263152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8585 (or 8579 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2001263152 is about 44735.4797895362. The cubic root of 2001263152 is about 1260.1862393726.

Adding to 2001263152 its reverse (2513621002), we get a palindrome (4514884154).

The spelling of 2001263152 in words is "two billion, one million, two hundred sixty-three thousand, one hundred fifty-two".