20001203106 has 16 divisors (see below), whose sum is σ = 40565821248. Its totient is φ = 6573165200.

The previous prime is 20001203099. The next prime is 20001203147. The reversal of 20001203106 is 60130210002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23475165 + ... + 23476016.

It is an arithmetic number, because the mean of its divisors is an integer number (2535363828).

Almost surely, 2^20001203106 is an apocalyptic number.

20001203106 is an abundant number, since it is smaller than the sum of its proper divisors (20564618142).

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

20001203106 is a wasteful number, since it uses less digits than its factorization.

20001203106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46951257.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20001203106 its reverse (60130210002), we get a palindrome (80131413108).

The spelling of 20001203106 in words is "twenty billion, one million, two hundred three thousand, one hundred six".