2001205514 has 32 divisors (see below), whose sum is σ = 3939494400. Its totient is φ = 738653040.

The previous prime is 2001205499. The next prime is 2001205537. The reversal of 2001205514 is 4155021002.

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, 339044 + ... + 344895.

It is an arithmetic number, because the mean of its divisors is an integer number (123109200).

Almost surely, 2^2001205514 is an apocalyptic number.

2001205514 is a deficient number, since it is larger than the sum of its proper divisors (1938288886).

2001205514 is a wasteful number, since it uses less digits than its factorization.

2001205514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683978.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2001205514 is about 44734.8355758686. The cubic root of 2001205514 is about 1260.1741411283.

Adding to 2001205514 its reverse (4155021002), we get a palindrome (6156226516).

The spelling of 2001205514 in words is "two billion, one million, two hundred five thousand, five hundred fourteen".