20240020023 has 4 divisors (see below), whose sum is σ = 26986693368. Its totient is φ = 13493346680.

The previous prime is 20240020019. The next prime is 20240020039. The reversal of 20240020023 is 32002004202.

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 20240020023 - 2² = 20240020019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20240019984 and 20240020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240020523) 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, 3373336668 + ... + 3373336673.

It is an arithmetic number, because the mean of its divisors is an integer number (6746673342).

Almost surely, 2^20240020023 is an apocalyptic number.

20240020023 is a deficient number, since it is larger than the sum of its proper divisors (6746673345).

20240020023 is an equidigital number, since it uses as much as digits as its factorization.

20240020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6746673344.

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20240020023 its reverse (32002004202), we get a palindrome (52242024225).

The spelling of 20240020023 in words is "twenty billion, two hundred forty million, twenty thousand, twenty-three".