2001215342 has 16 divisors (see below), whose sum is σ = 3466024800. Its totient is φ = 848821248.

The previous prime is 2001215341. The next prime is 2001215351. The reversal of 2001215342 is 2435121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001215341) 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, 735467 + ... + 738182.

It is an arithmetic number, because the mean of its divisors is an integer number (216626550).

Almost surely, 2^2001215342 is an apocalyptic number.

2001215342 is a deficient number, since it is larger than the sum of its proper divisors (1464809458).

2001215342 is a wasteful number, since it uses less digits than its factorization.

2001215342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473755.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2001215342 is about 44734.9454230135. The cubic root of 2001215342 is about 1260.1762040467.

Adding to 2001215342 its reverse (2435121002), we get a palindrome (4436336344).

The spelling of 2001215342 in words is "two billion, one million, two hundred fifteen thousand, three hundred forty-two".