20867483065 has 32 divisors (see below), whose sum is σ = 30367798272. Its totient is φ = 13557024000.

The previous prime is 20867482973. The next prime is 20867483081. The reversal of 20867483065 is 56038476802.

It is not a de Polignac number, because 20867483065 - 2¹¹ = 20867481017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 448566 + ... + 492895.

It is an arithmetic number, because the mean of its divisors is an integer number (948993696).

Almost surely, 2^20867483065 is an apocalyptic number.

It is an amenable number.

20867483065 is a deficient number, since it is larger than the sum of its proper divisors (9500315207).

20867483065 is a wasteful number, since it uses less digits than its factorization.

20867483065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941521.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 20867483065 in words is "twenty billion, eight hundred sixty-seven million, four hundred eighty-three thousand, sixty-five".