20610806106 has 32 divisors (see below), whose sum is σ = 44975287296. Its totient is φ = 6244830000.

The previous prime is 20610806071. The next prime is 20610806107. The reversal of 20610806106 is 60160801602.

It is not an unprimeable number, because it can be changed into a prime (20610806107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582831 + ... + 617181.

It is an arithmetic number, because the mean of its divisors is an integer number (1405477728).

Almost surely, 2^20610806106 is an apocalyptic number.

20610806106 is an abundant number, since it is smaller than the sum of its proper divisors (24364481190).

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

20610806106 is a wasteful number, since it uses less digits than its factorization.

20610806106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43458.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 20610806106 in words is "twenty billion, six hundred ten million, eight hundred six thousand, one hundred six".