2001215242 has 32 divisors (see below), whose sum is σ = 3420144000. Its totient is φ = 870585408.

The previous prime is 2001215221. The next prime is 2001215309. The reversal of 2001215242 is 2425121002.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88128 + ... + 108484.

It is an arithmetic number, because the mean of its divisors is an integer number (106879500).

Almost surely, 2^2001215242 is an apocalyptic number.

2001215242 is a deficient number, since it is larger than the sum of its proper divisors (1418928758).

2001215242 is a wasteful number, since it uses less digits than its factorization.

2001215242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20590.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2001215242 is about 44734.9443053191. The cubic root of 2001215242 is about 1260.1761830565.

Adding to 2001215242 its reverse (2425121002), we get a palindrome (4426336244).

The spelling of 2001215242 in words is "two billion, one million, two hundred fifteen thousand, two hundred forty-two".