20123411204 has 12 divisors (see below), whose sum is σ = 37924890444. Its totient is φ = 9287728224.

The previous prime is 20123411179. The next prime is 20123411213. The reversal of 20123411204 is 40211432102.

It can be written as a sum of positive squares in 2 ways, for example, as 1052353600 + 19071057604 = 32440^2 + 138098^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193494287 + ... + 193494390.

It is an arithmetic number, because the mean of its divisors is an integer number (3160407537).

Almost surely, 2^20123411204 is an apocalyptic number.

It is an amenable number.

20123411204 is a deficient number, since it is larger than the sum of its proper divisors (17801479240).

20123411204 is a wasteful number, since it uses less digits than its factorization.

20123411204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386988694 (or 386988692 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20123411204 its reverse (40211432102), we get a palindrome (60334843306).

The spelling of 20123411204 in words is "twenty billion, one hundred twenty-three million, four hundred eleven thousand, two hundred four".