20243510411 has 16 divisors (see below), whose sum is σ = 21064090080. Its totient is φ = 19438755840.

The previous prime is 20243510401. The next prime is 20243510453. The reversal of 20243510411 is 11401534202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20243510411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20243510401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026716 + ... + 1046246.

It is an arithmetic number, because the mean of its divisors is an integer number (1316505630).

Almost surely, 2^20243510411 is an apocalyptic number.

20243510411 is a deficient number, since it is larger than the sum of its proper divisors (820579669).

20243510411 is a wasteful number, since it uses less digits than its factorization.

20243510411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19934.

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 20243510411 in words is "twenty billion, two hundred forty-three million, five hundred ten thousand, four hundred eleven".