20117700146305 has 16 divisors (see below), whose sum is σ = 24161638824000. Its totient is φ = 16080565769280.

The previous prime is 20117700146281. The next prime is 20117700146317. The reversal of 20117700146305 is 50364100771102.

It is not a de Polignac number, because 20117700146305 - 2³³ = 20109110211713 is a prime.

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, 33912090 + ... + 34500220.

It is an arithmetic number, because the mean of its divisors is an integer number (1510102426500).

Almost surely, 2^{20117700146305} is an apocalyptic number.

It is an amenable number.

20117700146305 is a deficient number, since it is larger than the sum of its proper divisors (4043938677695).

20117700146305 is a wasteful number, since it uses less digits than its factorization.

20117700146305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593904.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 20117700146305 in words is "twenty trillion, one hundred seventeen billion, seven hundred million, one hundred forty-six thousand, three hundred five".