20323220103 has 12 divisors (see below), whose sum is σ = 30149161848. Its totient is φ = 13182629040.

The previous prime is 20323220087. The next prime is 20323220107. The reversal of 20323220103 is 30102232302.

It is a happy number.

20323220103 is a `hidden beast` number, since 20 + 323 + 220 + 103 = 666.

It is not a de Polignac number, because 20323220103 - 2⁴ = 20323220087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323220107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30515013 + ... + 30515678.

It is an arithmetic number, because the mean of its divisors is an integer number (2512430154).

Almost surely, 2^20323220103 is an apocalyptic number.

20323220103 is a deficient number, since it is larger than the sum of its proper divisors (9825941745).

20323220103 is a wasteful number, since it uses less digits than its factorization.

20323220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61030734 (or 61030731 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20323220103 its reverse (30102232302), we get a palindrome (50425452405).

The spelling of 20323220103 in words is "twenty billion, three hundred twenty-three million, two hundred twenty thousand, one hundred three".