20602532002065 has 96 divisors (see below), whose sum is σ = 36707079536640. Its totient is φ = 9855854281728.

The previous prime is 20602532002051. The next prime is 20602532002069. The reversal of 20602532002065 is 56020023520602.

It is not a de Polignac number, because 20602532002065 - 2⁸ = 20602532001809 is a prime.

It is a super-2 number, since 2×20602532002065² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20602532002069) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 72361456 + ... + 72645614.

It is an arithmetic number, because the mean of its divisors is an integer number (382365411840).

Almost surely, 2^{20602532002065} is an apocalyptic number.

It is an amenable number.

20602532002065 is a deficient number, since it is larger than the sum of its proper divisors (16104547534575).

20602532002065 is a wasteful number, since it uses less digits than its factorization.

20602532002065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285003 (or 284990 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 20602532002065 its reverse (56020023520602), we get a palindrome (76622555522667).

The spelling of 20602532002065 in words is "twenty trillion, six hundred two billion, five hundred thirty-two million, two thousand, sixty-five".