2002020701565 has 16 divisors (see below), whose sum is σ = 3203268768000. Its totient is φ = 1067732492352.

The previous prime is 2002020701519. The next prime is 2002020701573. The reversal of 2002020701565 is 5651070202002.

It is not a de Polignac number, because 2002020701565 - 2⁸ = 2002020701309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746611 + ... + 2135759.

It is an arithmetic number, because the mean of its divisors is an integer number (200204298000).

Almost surely, 2^{2002020701565} is an apocalyptic number.

It is an amenable number.

2002020701565 is a deficient number, since it is larger than the sum of its proper divisors (1201248066435).

2002020701565 is a wasteful number, since it uses less digits than its factorization.

2002020701565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485236.

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 2002020701565 its reverse (5651070202002), we get a palindrome (7653090903567).

The spelling of 2002020701565 in words is "two trillion, two billion, twenty million, seven hundred one thousand, five hundred sixty-five".