20447532927 has 12 divisors (see below), whose sum is σ = 29536658424. Its totient is φ = 13631073360.

The previous prime is 20447532923. The next prime is 20447532961. The reversal of 20447532927 is 72923574402.

20447532927 is a `hidden beast` number, since 20 + 4 + 4 + 7 + 532 + 92 + 7 = 666.

It is not a de Polignac number, because 20447532927 - 2² = 20447532923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20447532923) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 256348 + ... + 326510.

It is an arithmetic number, because the mean of its divisors is an integer number (2461388202).

Almost surely, 2^20447532927 is an apocalyptic number.

20447532927 is a deficient number, since it is larger than the sum of its proper divisors (9089125497).

20447532927 is a wasteful number, since it uses less digits than its factorization.

20447532927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102550 (or 102547 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 20447532927 in words is "twenty billion, four hundred forty-seven million, five hundred thirty-two thousand, nine hundred twenty-seven".