20411053043 has 4 divisors (see below), whose sum is σ = 21611703240. Its totient is φ = 19210402848.

The previous prime is 20411053027. The next prime is 20411053049. The reversal of 20411053043 is 34035011402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20411053043 - 2⁴ = 20411053027 is a prime.

It is a super-2 number, since 2×20411053043² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20411053049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600325073 + ... + 600325106.

It is an arithmetic number, because the mean of its divisors is an integer number (5402925810).

Almost surely, 2^20411053043 is an apocalyptic number.

20411053043 is a deficient number, since it is larger than the sum of its proper divisors (1200650197).

20411053043 is a wasteful number, since it uses less digits than its factorization.

20411053043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200650196.

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

Adding to 20411053043 its reverse (34035011402), we get a palindrome (54446064445).

The spelling of 20411053043 in words is "twenty billion, four hundred eleven million, fifty-three thousand, forty-three".