20242120023 has 8 divisors (see below), whose sum is σ = 29988326000. Its totient is φ = 13494746664.

The previous prime is 20242120021. The next prime is 20242120033. The reversal of 20242120023 is 32002124202.

20242120023 is a `hidden beast` number, since 20 + 2 + 421 + 200 + 23 = 666.

It is not a de Polignac number, because 20242120023 - 2¹ = 20242120021 is a prime.

It is a super-3 number, since 3×20242120023³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20242119978 and 20242120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242120021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374854048 + ... + 374854101.

It is an arithmetic number, because the mean of its divisors is an integer number (3748540750).

Almost surely, 2^20242120023 is an apocalyptic number.

20242120023 is a deficient number, since it is larger than the sum of its proper divisors (9746205977).

20242120023 is an equidigital number, since it uses as much as digits as its factorization.

20242120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749708158 (or 749708152 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20242120023 its reverse (32002124202), we get a palindrome (52244244225).

The spelling of 20242120023 in words is "twenty billion, two hundred forty-two million, one hundred twenty thousand, twenty-three".