20502341443 has 32 divisors (see below), whose sum is σ = 21974976000. Its totient is φ = 19098393600.

The previous prime is 20502341437. The next prime is 20502341449. The reversal of 20502341443 is 34414320502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20502341437) and next prime (20502341449).

It is a cyclic number.

It is not a de Polignac number, because 20502341443 - 2¹⁷ = 20502210371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20502341449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21787353 + ... + 21788293.

It is an arithmetic number, because the mean of its divisors is an integer number (686718000).

Almost surely, 2^20502341443 is an apocalyptic number.

20502341443 is a deficient number, since it is larger than the sum of its proper divisors (1472634557).

20502341443 is a wasteful number, since it uses less digits than its factorization.

20502341443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 20502341443 its reverse (34414320502), we get a palindrome (54916661945).

It can be divided in two parts, 20502341 and 443, that added together give a square (20502784 = 4528²).

The spelling of 20502341443 in words is "twenty billion, five hundred two million, three hundred forty-one thousand, four hundred forty-three".