20002045343 has 16 divisors (see below), whose sum is σ = 23332761600. Its totient is φ = 17139641400.

The previous prime is 20002045319. The next prime is 20002045361. The reversal of 20002045343 is 34354020002.

It is not a de Polignac number, because 20002045343 - 2⁶ = 20002045279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002045543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1650998 + ... + 1663068.

It is an arithmetic number, because the mean of its divisors is an integer number (1458297600).

Almost surely, 2^20002045343 is an apocalyptic number.

20002045343 is a deficient number, since it is larger than the sum of its proper divisors (3330716257).

20002045343 is an equidigital number, since it uses as much as digits as its factorization.

20002045343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923 (or 16909 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 20002045343 its reverse (34354020002), we get a palindrome (54356065345).

The spelling of 20002045343 in words is "twenty billion, two million, forty-five thousand, three hundred forty-three".