2001520442002 has 16 divisors (see below), whose sum is σ = 3160452859200. Its totient is φ = 948041403120.

The previous prime is 2001520441951. The next prime is 2001520442027. The reversal of 2001520442002 is 2002440251002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532977 + ... + 2070532.

It is an arithmetic number, because the mean of its divisors is an integer number (197528303700).

Almost surely, 2^{2001520442002} is an apocalyptic number.

2001520442002 is a deficient number, since it is larger than the sum of its proper divisors (1158932417198).

2001520442002 is a wasteful number, since it uses less digits than its factorization.

2001520442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623761.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 2001520442002 its reverse (2002440251002), we get a palindrome (4003960693004).

The spelling of 2001520442002 in words is "two trillion, one billion, five hundred twenty million, four hundred forty-two thousand, two".