20020303123 has 8 divisors (see below), whose sum is σ = 20254115520. Its totient is φ = 19787188800.

The previous prime is 20020303111. The next prime is 20020303153. The reversal of 20020303123 is 32130302002.

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-20020303123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020303097 and 20020303106.

It is not an unprimeable number, because it can be changed into a prime (20020303153) 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, 116715 + ... + 231652.

It is an arithmetic number, because the mean of its divisors is an integer number (2531764440).

Almost surely, 2^20020303123 is an apocalyptic number.

20020303123 is a deficient number, since it is larger than the sum of its proper divisors (233812397).

20020303123 is a wasteful number, since it uses less digits than its factorization.

20020303123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349037.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20020303123 its reverse (32130302002), we get a palindrome (52150605125).

The spelling of 20020303123 in words is "twenty billion, twenty million, three hundred three thousand, one hundred twenty-three".