205376420 has 12 divisors (see below), whose sum is σ = 431290524. Its totient is φ = 82150560.

The previous prime is 205376419. The next prime is 205376449. The reversal of 205376420 is 24673502.

It can be written as a sum of positive squares in 2 ways, for example, as 30713764 + 174662656 = 5542^2 + 13216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5134391 + ... + 5134430.

It is an arithmetic number, because the mean of its divisors is an integer number (35940877).

Almost surely, 2^205376420 is an apocalyptic number.

205376420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205376420 is an abundant number, since it is smaller than the sum of its proper divisors (225914104).

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

205376420 is a wasteful number, since it uses less digits than its factorization.

205376420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10268830 (or 10268828 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 205376420 is about 14330.9601911386. The cubic root of 205376420 is about 589.9975294352.

The spelling of 205376420 in words is "two hundred five million, three hundred seventy-six thousand, four hundred twenty".