20205201010043 has 16 divisors (see below), whose sum is σ = 23497501532160. Its totient is φ = 17015711112576.

The previous prime is 20205201010021. The next prime is 20205201010117. The reversal of 20205201010043 is 34001010250202.

It is a cyclic number.

It is not a de Polignac number, because 20205201010043 - 2¹² = 20205201005947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20205201009997 and 20205201010024.

It is not an unprimeable number, because it can be changed into a prime (20205201010013) 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, 56062478 + ... + 56421731.

It is an arithmetic number, because the mean of its divisors is an integer number (1468593845760).

Almost surely, 2^{20205201010043} is an apocalyptic number.

20205201010043 is a deficient number, since it is larger than the sum of its proper divisors (3292300522117).

20205201010043 is a wasteful number, since it uses less digits than its factorization.

20205201010043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112484666.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20205201010043 its reverse (34001010250202), we get a palindrome (54206211260245).

The spelling of 20205201010043 in words is "twenty trillion, two hundred five billion, two hundred one million, ten thousand, forty-three".