20468365085 has 16 divisors (see below), whose sum is σ = 28079568000. Its totient is φ = 14031116736.

The previous prime is 20468365079. The next prime is 20468365123. The reversal of 20468365085 is 58056386402.

It is not a de Polignac number, because 20468365085 - 2⁴ = 20468365069 is a prime.

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, 26831 + ... + 204099.

It is an arithmetic number, because the mean of its divisors is an integer number (1754973000).

Almost surely, 2^20468365085 is an apocalyptic number.

It is an amenable number.

20468365085 is a deficient number, since it is larger than the sum of its proper divisors (7611202915).

20468365085 is a wasteful number, since it uses less digits than its factorization.

20468365085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180580.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 20468365085 in words is "twenty billion, four hundred sixty-eight million, three hundred sixty-five thousand, eighty-five".