2002157365 has 24 divisors (see below), whose sum is σ = 2605685760. Its totient is φ = 1476206784.

The previous prime is 2002157359. The next prime is 2002157369. The reversal of 2002157365 is 5637512002.

It is not a de Polignac number, because 2002157365 - 2⁷ = 2002157237 is a prime.

It is a super-2 number, since 2×2002157365² = 8017268228447486450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002157369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 693996 + ... + 696874.

It is an arithmetic number, because the mean of its divisors is an integer number (108570240).

Almost surely, 2^2002157365 is an apocalyptic number.

It is an amenable number.

2002157365 is a deficient number, since it is larger than the sum of its proper divisors (603528395).

2002157365 is a wasteful number, since it uses less digits than its factorization.

2002157365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733 (or 3720 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 2002157365 is about 44745.4731229875. The cubic root of 2002157365 is about 1260.3739053674.

Adding to 2002157365 its reverse (5637512002), we get a palindrome (7639669367).

The spelling of 2002157365 in words is "two billion, two million, one hundred fifty-seven thousand, three hundred sixty-five".