20013056117245 has 16 divisors (see below), whose sum is σ = 24795100988928. Its totient is φ = 15491019741120.

The previous prime is 20013056117231. The next prime is 20013056117267. The reversal of 20013056117245 is 54271165031002.

It is not a de Polignac number, because 20013056117245 - 2⁵ = 20013056117213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11515599 + ... + 13139068.

It is an arithmetic number, because the mean of its divisors is an integer number (1549693811808).

Almost surely, 2^{20013056117245} is an apocalyptic number.

It is an amenable number.

20013056117245 is a deficient number, since it is larger than the sum of its proper divisors (4782044871683).

20013056117245 is a wasteful number, since it uses less digits than its factorization.

20013056117245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24659940.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 20013056117245 in words is "twenty trillion, thirteen billion, fifty-six million, one hundred seventeen thousand, two hundred forty-five".