205412553324 has 72 divisors (see below), whose sum is σ = 599760736848. Its totient is φ = 58584683520.

The previous prime is 205412553319. The next prime is 205412553349. The reversal of 205412553324 is 423355214502.

205412553324 is a `hidden beast` number, since 20 + 54 + 1 + 2 + 553 + 32 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15249697 + ... + 15263160.

It is an arithmetic number, because the mean of its divisors is an integer number (8330010234).

Almost surely, 2^205412553324 is an apocalyptic number.

It is an amenable number.

205412553324 is an abundant number, since it is smaller than the sum of its proper divisors (394348183524).

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

205412553324 is a wasteful number, since it uses less digits than its factorization.

205412553324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30512895 (or 30512890 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 205412553324 its reverse (423355214502), we get a palindrome (628767767826).

The spelling of 205412553324 in words is "two hundred five billion, four hundred twelve million, five hundred fifty-three thousand, three hundred twenty-four".