20700007065007 has 32 divisors (see below), whose sum is σ = 22200387840000. Its totient is φ = 19241993232000.

The previous prime is 20700007064993. The next prime is 20700007065011. The reversal of 20700007065007 is 70056070000702.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20700007065007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20700007065047) 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 31 ways as a sum of consecutive naturals, for example, 1971236257 + ... + 1971246757.

It is an arithmetic number, because the mean of its divisors is an integer number (693762120000).

Almost surely, 2^{20700007065007} is an apocalyptic number.

20700007065007 is a deficient number, since it is larger than the sum of its proper divisors (1500380774993).

20700007065007 is a wasteful number, since it uses less digits than its factorization.

20700007065007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13711.

The product of its (nonzero) digits is 20580, while the sum is 34.

Adding to 20700007065007 its reverse (70056070000702), we get a palindrome (90756077065709).

The spelling of 20700007065007 in words is "twenty trillion, seven hundred billion, seven million, sixty-five thousand, seven".