20476173053217 has 16 divisors (see below), whose sum is σ = 31730631367680. Its totient is φ = 11502353869392.

The previous prime is 20476173053209. The next prime is 20476173053239. The reversal of 20476173053217 is 71235037167402.

It is not a de Polignac number, because 20476173053217 - 2³ = 20476173053209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20476173053117) 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 15 ways as a sum of consecutive naturals, for example, 8263184013 + ... + 8263186490.

It is an arithmetic number, because the mean of its divisors is an integer number (1983164460480).

Almost surely, 2^{20476173053217} is an apocalyptic number.

It is an amenable number.

20476173053217 is a deficient number, since it is larger than the sum of its proper divisors (11254458314463).

20476173053217 is a wasteful number, since it uses less digits than its factorization.

20476173053217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16526370572.

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 20476173053217 in words is "twenty trillion, four hundred seventy-six billion, one hundred seventy-three million, fifty-three thousand, two hundred seventeen".