20166605034 has 16 divisors (see below), whose sum is σ = 40334643360. Its totient is φ = 6721962800.

The previous prime is 20166605021. The next prime is 20166605071. The reversal of 20166605034 is 43050666102.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20166604986 and 20166605004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235309 + ... + 309359.

It is an arithmetic number, because the mean of its divisors is an integer number (2520915210).

Almost surely, 2^20166605034 is an apocalyptic number.

20166605034 is an abundant number, since it is smaller than the sum of its proper divisors (20168038326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20166605034 is a wasteful number, since it uses less digits than its factorization.

20166605034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119445.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 20166605034 in words is "twenty billion, one hundred sixty-six million, six hundred five thousand, thirty-four".