20312066103 has 8 divisors (see below), whose sum is σ = 30951719808. Its totient is φ = 11606894904.

The previous prime is 20312066077. The next prime is 20312066149. The reversal of 20312066103 is 30166021302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20312066103 - 2⁸ = 20312065847 is a prime.

It is a super-3 number, since 3×20312066103³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312066303) by changing a digit.

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, 483620601 + ... + 483620642.

It is an arithmetic number, because the mean of its divisors is an integer number (3868964976).

Almost surely, 2^20312066103 is an apocalyptic number.

20312066103 is a deficient number, since it is larger than the sum of its proper divisors (10639653705).

20312066103 is an equidigital number, since it uses as much as digits as its factorization.

20312066103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967241253.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20312066103 its reverse (30166021302), we get a palindrome (50478087405).

The spelling of 20312066103 in words is "twenty billion, three hundred twelve million, sixty-six thousand, one hundred three".