205413102 has 48 divisors (see below), whose sum is σ = 456468480. Its totient is φ = 66736656.

The previous prime is 205413097. The next prime is 205413121. The reversal of 205413102 is 201314502.

205413102 is a `hidden beast` number, since 20 + 541 + 3 + 102 = 666.

205413102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 134113 + ... + 135635.

It is an arithmetic number, because the mean of its divisors is an integer number (9509760).

Almost surely, 2^205413102 is an apocalyptic number.

205413102 is an abundant number, since it is smaller than the sum of its proper divisors (251055378).

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

205413102 is a wasteful number, since it uses less digits than its factorization.

205413102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 205413102 is about 14332.2399505451. The cubic root of 205413102 is about 590.0326535600.

Adding to 205413102 its reverse (201314502), we get a palindrome (406727604).

The spelling of 205413102 in words is "two hundred five million, four hundred thirteen thousand, one hundred two".