20043320140430 has 32 divisors (see below), whose sum is σ = 38683757139840. Its totient is φ = 7450205068800.

The previous prime is 20043320140429. The next prime is 20043320140451. The reversal of 20043320140430 is 3404102334002.

It is a self number, because there is not a number n which added to its sum of digits gives 20043320140430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746201021 + ... + 746227880.

It is an arithmetic number, because the mean of its divisors is an integer number (1208867410620).

Almost surely, 2^{20043320140430} is an apocalyptic number.

20043320140430 is a deficient number, since it is larger than the sum of its proper divisors (18640436999410).

20043320140430 is a wasteful number, since it uses less digits than its factorization.

20043320140430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492429004.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20043320140430 its reverse (3404102334002), we get a palindrome (23447422474432).

The spelling of 20043320140430 in words is "twenty trillion, forty-three billion, three hundred twenty million, one hundred forty thousand, four hundred thirty".