205304231132 has 72 divisors (see below), whose sum is σ = 491007389040. Its totient is φ = 73835677440.

The previous prime is 205304231117. The next prime is 205304231147. The reversal of 205304231132 is 231132403502.

It is a happy number.

205304231132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (205304231117) and next prime (205304231147).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3634457 + ... + 3690512.

It is an arithmetic number, because the mean of its divisors is an integer number (6819547070).

Almost surely, 2^205304231132 is an apocalyptic number.

205304231132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

205304231132 is an abundant number, since it is smaller than the sum of its proper divisors (285703157908).

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

205304231132 is a wasteful number, since it uses less digits than its factorization.

205304231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7325011 (or 7325002 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 205304231132 its reverse (231132403502), we get a palindrome (436436634634).

The spelling of 205304231132 in words is "two hundred five billion, three hundred four million, two hundred thirty-one thousand, one hundred thirty-two".