20046526604647 has 8 divisors (see below), whose sum is σ = 21782303951360. Its totient is φ = 18378818957880.

The previous prime is 20046526604641. The next prime is 20046526604651. The reversal of 20046526604647 is 74640662564002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20046526604647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20046526604594 and 20046526604603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20046526604641) 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 7 ways as a sum of consecutive naturals, for example, 17017424373 + ... + 17017425550.

It is an arithmetic number, because the mean of its divisors is an integer number (2722787993920).

Almost surely, 2^{20046526604647} is an apocalyptic number.

20046526604647 is a deficient number, since it is larger than the sum of its proper divisors (1735777346713).

20046526604647 is a wasteful number, since it uses less digits than its factorization.

20046526604647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34034849973.

The product of its (nonzero) digits is 11612160, while the sum is 52.

The spelling of 20046526604647 in words is "twenty trillion, forty-six billion, five hundred twenty-six million, six hundred four thousand, six hundred forty-seven".