20788959054527 has 4 divisors (see below), whose sum is σ = 20789220003816. Its totient is φ = 20788698105240.

The previous prime is 20788959054503. The next prime is 20788959054551. The reversal of 20788959054527 is 72545095988702.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20788959054503) and next prime (20788959054551).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20788959054527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20788959056527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130355108 + ... + 130514489.

It is an arithmetic number, because the mean of its divisors is an integer number (5197305000954).

Almost surely, 2^{20788959054527} is an apocalyptic number.

20788959054527 is a deficient number, since it is larger than the sum of its proper divisors (260949289).

20788959054527 is an equidigital number, since it uses as much as digits as its factorization.

20788959054527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260949288.

The product of its (nonzero) digits is 508032000, while the sum is 71.

The spelling of 20788959054527 in words is "twenty trillion, seven hundred eighty-eight billion, nine hundred fifty-nine million, fifty-four thousand, five hundred twenty-seven".