20602532002064 has 40 divisors (see below), whose sum is σ = 39945709159200. Its totient is φ = 10293963008000.

The previous prime is 20602532002051. The next prime is 20602532002069. The reversal of 20602532002064 is 46020023520602.

It is a self number, because there is not a number n which added to its sum of digits gives 20602532002064.

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

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 7 ways as a sum of consecutive naturals, for example, 391872899 + ... + 391925469.

It is an arithmetic number, because the mean of its divisors is an integer number (998642728980).

Almost surely, 2^{20602532002064} is an apocalyptic number.

It is an amenable number.

20602532002064 is a deficient number, since it is larger than the sum of its proper divisors (19343177157136).

20602532002064 is a wasteful number, since it uses less digits than its factorization.

20602532002064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69479 (or 69473 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 20602532002064 its reverse (46020023520602), we get a palindrome (66622555522666).

The spelling of 20602532002064 in words is "twenty trillion, six hundred two billion, five hundred thirty-two million, two thousand, sixty-four".