20230404245 has 4 divisors (see below), whose sum is σ = 24276485100. Its totient is φ = 16184323392.

The previous prime is 20230404211. The next prime is 20230404253. The reversal of 20230404245 is 54240403202.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16061506756 + 4168897489 = 126734^2 + 64567^2 .

It is a cyclic number.

It is not a de Polignac number, because 20230404245 - 2³² = 15935436949 is a prime.

It is a super-3 number, since 3×20230404245³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2023040420 + ... + 2023040429.

It is an arithmetic number, because the mean of its divisors is an integer number (6069121275).

Almost surely, 2^20230404245 is an apocalyptic number.

It is an amenable number.

20230404245 is a deficient number, since it is larger than the sum of its proper divisors (4046080855).

20230404245 is an equidigital number, since it uses as much as digits as its factorization.

20230404245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046080854.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 20230404245 its reverse (54240403202), we get a palindrome (74470807447).

The spelling of 20230404245 in words is "twenty billion, two hundred thirty million, four hundred four thousand, two hundred forty-five".