20830611403065 has 32 divisors (see below), whose sum is σ = 34790238832896. Its totient is φ = 10622910735360.

The previous prime is 20830611403051. The next prime is 20830611403079. The reversal of 20830611403065 is 56030411603802.

It is an interprime number because it is at equal distance from previous prime (20830611403051) and next prime (20830611403079).

It is not a de Polignac number, because 20830611403065 - 2²⁹ = 20830074532153 is a prime.

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, 9581116 + ... + 11552445.

It is an arithmetic number, because the mean of its divisors is an integer number (1087194963528).

Almost surely, 2^{20830611403065} is an apocalyptic number.

It is an amenable number.

20830611403065 is a deficient number, since it is larger than the sum of its proper divisors (13959627429831).

20830611403065 is a wasteful number, since it uses less digits than its factorization.

20830611403065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21136449.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 20830611403065 in words is "twenty trillion, eight hundred thirty billion, six hundred eleven million, four hundred three thousand, sixty-five".