20371634626017 has 16 divisors (see below), whose sum is σ = 27241489624448. Its totient is φ = 13541452041600.

The previous prime is 20371634626003. The next prime is 20371634626039. The reversal of 20371634626017 is 71062643617302.

It is not a de Polignac number, because 20371634626017 - 2¹⁵ = 20371634593249 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20371634626087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2534148 + ... + 6867690.

It is an arithmetic number, because the mean of its divisors is an integer number (1702593101528).

Almost surely, 2^{20371634626017} is an apocalyptic number.

It is an amenable number.

20371634626017 is a deficient number, since it is larger than the sum of its proper divisors (6869854998431).

20371634626017 is a wasteful number, since it uses less digits than its factorization.

20371634626017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338120.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 20371634626017 in words is "twenty trillion, three hundred seventy-one billion, six hundred thirty-four million, six hundred twenty-six thousand, seventeen".