20330120023 has 4 divisors (see below), whose sum is σ = 21400126360. Its totient is φ = 19260113688.

The previous prime is 20330119991. The next prime is 20330120033. The reversal of 20330120023 is 32002103302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20330120023 - 2⁵ = 20330119991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20330119979 and 20330120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330120033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535003140 + ... + 535003177.

It is an arithmetic number, because the mean of its divisors is an integer number (5350031590).

Almost surely, 2^20330120023 is an apocalyptic number.

20330120023 is a deficient number, since it is larger than the sum of its proper divisors (1070006337).

20330120023 is a wasteful number, since it uses less digits than its factorization.

20330120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070006336.

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

Adding to 20330120023 its reverse (32002103302), we get a palindrome (52332223325).

The spelling of 20330120023 in words is "twenty billion, three hundred thirty million, one hundred twenty thousand, twenty-three".