2002014155 has 4 divisors (see below), whose sum is σ = 2402416992. Its totient is φ = 1601611320.

The previous prime is 2002014151. The next prime is 2002014169. The reversal of 2002014155 is 5514102002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2002014155 - 2² = 2002014151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002014151) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 200201411 + ... + 200201420.

It is an arithmetic number, because the mean of its divisors is an integer number (600604248).

Almost surely, 2^2002014155 is an apocalyptic number.

2002014155 is a deficient number, since it is larger than the sum of its proper divisors (400402837).

2002014155 is an equidigital number, since it uses as much as digits as its factorization.

2002014155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400402836.

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

The square root of 2002014155 is about 44743.8728207561. The cubic root of 2002014155 is about 1260.3438540415.

Adding to 2002014155 its reverse (5514102002), we get a palindrome (7516116157).

The spelling of 2002014155 in words is "two billion, two million, fourteen thousand, one hundred fifty-five".