20727586245 has 16 divisors (see below), whose sum is σ = 33290243712. Its totient is φ = 11012677440.

The previous prime is 20727586193. The next prime is 20727586259. The reversal of 20727586245 is 54268572702.

It is not a de Polignac number, because 20727586245 - 2⁶ = 20727586181 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20727586194 and 20727586203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2623126 + ... + 2631015.

It is an arithmetic number, because the mean of its divisors is an integer number (2080640232).

Almost surely, 2^20727586245 is an apocalyptic number.

It is an amenable number.

20727586245 is a deficient number, since it is larger than the sum of its proper divisors (12562657467).

20727586245 is a wasteful number, since it uses less digits than its factorization.

20727586245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254412.

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 20727586245 in words is "twenty billion, seven hundred twenty-seven million, five hundred eighty-six thousand, two hundred forty-five".