20117635677626 has 16 divisors (see below), whose sum is σ = 31952127340224. Its totient is φ = 9466948353984.

The previous prime is 20117635677589. The next prime is 20117635677637. The reversal of 20117635677626 is 62677653671102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3564320 + ... + 7275963.

It is an arithmetic number, because the mean of its divisors is an integer number (1997007958764).

Almost surely, 2^{20117635677626} is an apocalyptic number.

20117635677626 is a deficient number, since it is larger than the sum of its proper divisors (11834491662598).

20117635677626 is a wasteful number, since it uses less digits than its factorization.

20117635677626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10894885.

The product of its (nonzero) digits is 26671680, while the sum is 59.

The spelling of 20117635677626 in words is "twenty trillion, one hundred seventeen billion, six hundred thirty-five million, six hundred seventy-seven thousand, six hundred twenty-six".