20727544055245 has 16 divisors (see below), whose sum is σ = 26369339401728. Its totient is φ = 15613424637120.

The previous prime is 20727544055173. The next prime is 20727544055279. The reversal of 20727544055245 is 54255044572702.

It is not a de Polignac number, because 20727544055245 - 2¹⁹ = 20727543530957 is a prime.

It is a super-2 number, since 2×20727544055245² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20727544055192 and 20727544055201.

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, 1807103599 + ... + 1807115068.

It is an arithmetic number, because the mean of its divisors is an integer number (1648083712608).

Almost surely, 2^{20727544055245} is an apocalyptic number.

It is an amenable number.

20727544055245 is a deficient number, since it is larger than the sum of its proper divisors (5641795346483).

20727544055245 is a wasteful number, since it uses less digits than its factorization.

20727544055245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614218740.

The product of its (nonzero) digits is 15680000, while the sum is 52.

The spelling of 20727544055245 in words is "twenty trillion, seven hundred twenty-seven billion, five hundred forty-four million, fifty-five thousand, two hundred forty-five".