20013065623715 has 4 divisors (see below), whose sum is σ = 24015678748464. Its totient is φ = 16010452498968.

The previous prime is 20013065623693. The next prime is 20013065623739. The reversal of 20013065623715 is 51732656031002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20013065623715 - 2³⁴ = 19995885754531 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 2001306562367 + ... + 2001306562376.

It is an arithmetic number, because the mean of its divisors is an integer number (6003919687116).

Almost surely, 2^{20013065623715} is an apocalyptic number.

20013065623715 is a deficient number, since it is larger than the sum of its proper divisors (4002613124749).

20013065623715 is an equidigital number, since it uses as much as digits as its factorization.

20013065623715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002613124748.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 20013065623715 in words is "twenty trillion, thirteen billion, sixty-five million, six hundred twenty-three thousand, seven hundred fifteen".