205470548120 has 32 divisors (see below), whose sum is σ = 473060103120. Its totient is φ = 80276864640.

The previous prime is 205470548113. The next prime is 205470548147. The reversal of 205470548120 is 21845074502.

It is a super-2 number, since 2×205470548120² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 59728091 + ... + 59731530.

Almost surely, 2^205470548120 is an apocalyptic number.

205470548120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205470548120 is an abundant number, since it is smaller than the sum of its proper divisors (267589555000).

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

205470548120 is a wasteful number, since it uses less digits than its factorization.

205470548120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119459675 (or 119459671 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

The spelling of 205470548120 in words is "two hundred five billion, four hundred seventy million, five hundred forty-eight thousand, one hundred twenty".