20527217613894 has 16 divisors (see below), whose sum is σ = 41260738924800. Its totient is φ = 6808021921800.

The previous prime is 20527217613893. The next prime is 20527217613977. The reversal of 20527217613894 is 49831671272502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20527217613893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8595986082 + ... + 8595988469.

It is an arithmetic number, because the mean of its divisors is an integer number (2578796182800).

It is a 1-persistent number, because it is pandigital, but 2⋅20527217613894 = 41054435227788 is not.

Almost surely, 2^{20527217613894} is an apocalyptic number.

20527217613894 is an abundant number, since it is smaller than the sum of its proper divisors (20733521310906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20527217613894 is a wasteful number, since it uses less digits than its factorization.

20527217613894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17191974755.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 20527217613894 in words is "twenty trillion, five hundred twenty-seven billion, two hundred seventeen million, six hundred thirteen thousand, eight hundred ninety-four".