20033013023 has 4 divisors (see below), whose sum is σ = 20315168208. Its totient is φ = 19750857840.

The previous prime is 20033013017. The next prime is 20033013029. The reversal of 20033013023 is 32031033002.

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

It is an interprime number because it is at equal distance from previous prime (20033013017) and next prime (20033013029).

It is a cyclic number.

It is not a de Polignac number, because 20033013023 - 2¹² = 20033008927 is a prime.

It is a super-2 number, since 2×20033013023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20033012992 and 20033013010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033013029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141077486 + ... + 141077627.

It is an arithmetic number, because the mean of its divisors is an integer number (5078792052).

Almost surely, 2^20033013023 is an apocalyptic number.

20033013023 is a deficient number, since it is larger than the sum of its proper divisors (282155185).

20033013023 is an equidigital number, since it uses as much as digits as its factorization.

20033013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282155184.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20033013023 its reverse (32031033002), we get a palindrome (52064046025).

The spelling of 20033013023 in words is "twenty billion, thirty-three million, thirteen thousand, twenty-three".