205011124404 has 48 divisors (see below), whose sum is σ = 499199887872. Its totient is φ = 65360317792.

The previous prime is 205011124397. The next prime is 205011124411. The reversal of 205011124404 is 404421110502.

It is an interprime number because it is at equal distance from previous prime (205011124397) and next prime (205011124411).

It is a super-2 number, since 2×205011124404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4304827 + ... + 4352189.

It is an arithmetic number, because the mean of its divisors is an integer number (10399997664).

Almost surely, 2^205011124404 is an apocalyptic number.

It is an amenable number.

205011124404 is an abundant number, since it is smaller than the sum of its proper divisors (294188763468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205011124404 is a wasteful number, since it uses less digits than its factorization.

205011124404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63076 (or 63074 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 205011124404 its reverse (404421110502), we get a palindrome (609432234906).

The spelling of 205011124404 in words is "two hundred five billion, eleven million, one hundred twenty-four thousand, four hundred four".