205130241400 has 96 divisors (see below), whose sum is σ = 563855652000. Its totient is φ = 67905169920.

The previous prime is 205130241383. The next prime is 205130241403. The reversal of 205130241400 is 4142031502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205130241403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2485635 + ... + 2566834.

It is an arithmetic number, because the mean of its divisors is an integer number (5873496375).

Almost surely, 2^205130241400 is an apocalyptic number.

205130241400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205130241400 is an abundant number, since it is smaller than the sum of its proper divisors (358725410600).

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

205130241400 is a wasteful number, since it uses less digits than its factorization.

205130241400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052521 (or 5052512 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 205130241400 its reverse (4142031502), we get a palindrome (209272272902).

The spelling of 205130241400 in words is "two hundred five billion, one hundred thirty million, two hundred forty-one thousand, four hundred".