20455136120613 has 8 divisors (see below), whose sum is σ = 27334257624000. Its totient is φ = 13606386015488.

The previous prime is 20455136120543. The next prime is 20455136120701. The reversal of 20455136120613 is 31602163155402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20455136120613 - 2²⁴ = 20455119343397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20455136170613) 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, 7592847993 + ... + 7592850686.

It is an arithmetic number, because the mean of its divisors is an integer number (3416782203000).

Almost surely, 2^{20455136120613} is an apocalyptic number.

It is an amenable number.

20455136120613 is a deficient number, since it is larger than the sum of its proper divisors (6879121503387).

20455136120613 is a wasteful number, since it uses less digits than its factorization.

20455136120613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15185699131.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 20455136120613 in words is "twenty trillion, four hundred fifty-five billion, one hundred thirty-six million, one hundred twenty thousand, six hundred thirteen".