20012230206 has 48 divisors (see below), whose sum is σ = 45659203200. Its totient is φ = 6317259984.

The previous prime is 20012230171. The next prime is 20012230243. The reversal of 20012230206 is 60203221002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1039375 + ... + 1058453.

It is an arithmetic number, because the mean of its divisors is an integer number (951233400).

Almost surely, 2^20012230206 is an apocalyptic number.

20012230206 is an abundant number, since it is smaller than the sum of its proper divisors (25646972994).

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

20012230206 is a wasteful number, since it uses less digits than its factorization.

20012230206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22173 (or 22170 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20012230206 its reverse (60203221002), we get a palindrome (80215451208).

The spelling of 20012230206 in words is "twenty billion, twelve million, two hundred thirty thousand, two hundred six".