20331220303123 has 8 divisors (see below), whose sum is σ = 20371420146096. Its totient is φ = 20291025520800.

The previous prime is 20331220303111. The next prime is 20331220303153. The reversal of 20331220303123 is 32130302213302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20331220303123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20331220303153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6828933 + ... + 9343273.

It is an arithmetic number, because the mean of its divisors is an integer number (2546427518262).

Almost surely, 2^{20331220303123} is an apocalyptic number.

20331220303123 is a deficient number, since it is larger than the sum of its proper divisors (40199842973).

20331220303123 is a wasteful number, since it uses less digits than its factorization.

20331220303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530325.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20331220303123 its reverse (32130302213302), we get a palindrome (52461522516425).

The spelling of 20331220303123 in words is "twenty trillion, three hundred thirty-one billion, two hundred twenty million, three hundred three thousand, one hundred twenty-three".