20005102615007 has 2 divisors, whose sum is σ = 20005102615008. Its totient is φ = 20005102615006.

The previous prime is 20005102614997. The next prime is 20005102615009. The reversal of 20005102615007 is 70051620150002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20005102615007 - 2³⁶ = 19936383138271 is a prime.

It is a super-2 number, since 2×20005102615007² (a number of 27 digits) contains 22 as substring.

Together with 20005102615009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20005102615009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002551307503 + 10002551307504.

It is an arithmetic number, because the mean of its divisors is an integer number (10002551307504).

Almost surely, 2^{20005102615007} is an apocalyptic number.

20005102615007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20005102615007 is an equidigital number, since it uses as much as digits as its factorization.

20005102615007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

Adding to 20005102615007 its reverse (70051620150002), we get a palindrome (90056722765009).

The spelling of 20005102615007 in words is "twenty trillion, five billion, one hundred two million, six hundred fifteen thousand, seven".