20003341145 has 4 divisors (see below), whose sum is σ = 24004009380. Its totient is φ = 16002672912.

The previous prime is 20003341081. The next prime is 20003341153. The reversal of 20003341145 is 54114330002.

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 3929158489 + 16074182656 = 62683^2 + 126784^2 .

It is a cyclic number.

It is not a de Polignac number, because 20003341145 - 2⁶ = 20003341081 is a prime.

It is a super-2 number, since 2×20003341145² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20003341145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000334110 + ... + 2000334119.

It is an arithmetic number, because the mean of its divisors is an integer number (6001002345).

Almost surely, 2^20003341145 is an apocalyptic number.

It is an amenable number.

20003341145 is a deficient number, since it is larger than the sum of its proper divisors (4000668235).

20003341145 is an equidigital number, since it uses as much as digits as its factorization.

20003341145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000668234.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20003341145 its reverse (54114330002), we get a palindrome (74117671147).

The spelling of 20003341145 in words is "twenty billion, three million, three hundred forty-one thousand, one hundred forty-five".