20143020411 has 32 divisors (see below), whose sum is σ = 31428576000. Its totient is φ = 12715242624.

The previous prime is 20143020397. The next prime is 20143020413. The reversal of 20143020411 is 11402034102.

20143020411 is a `hidden beast` number, since 20 + 1 + 430 + 204 + 11 = 666.

It is not a de Polignac number, because 20143020411 - 2⁵ = 20143020379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20143020413) 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, 1082956 + ... + 1101398.

It is an arithmetic number, because the mean of its divisors is an integer number (982143000).

Almost surely, 2^20143020411 is an apocalyptic number.

20143020411 is a deficient number, since it is larger than the sum of its proper divisors (11285555589).

20143020411 is a wasteful number, since it uses less digits than its factorization.

20143020411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20600 (or 20594 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20143020411 its reverse (11402034102), we get a palindrome (31545054513).

It can be divided in two parts, 201430 and 20411, that added together give a square (221841 = 471²).

The spelling of 20143020411 in words is "twenty billion, one hundred forty-three million, twenty thousand, four hundred eleven".