2001200292 has 72 divisors (see below), whose sum is σ = 6225966656. Its totient is φ = 527788224.

The previous prime is 2001200239. The next prime is 2001200323. The reversal of 2001200292 is 2920021002.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 302158 + ... + 308709.

Almost surely, 2^2001200292 is an apocalyptic number.

It is an amenable number.

2001200292 is an abundant number, since it is smaller than the sum of its proper divisors (4224766364).

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

2001200292 is a wasteful number, since it uses less digits than its factorization.

2001200292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610897 (or 610892 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2001200292 is about 44734.7772096833. Note that the first 3 decimals coincide. The cubic root of 2001200292 is about 1260.1730450164.

Adding to 2001200292 its reverse (2920021002), we get a palindrome (4921221294).

The spelling of 2001200292 in words is "two billion, one million, two hundred thousand, two hundred ninety-two".