205879020 has 24 divisors (see below), whose sum is σ = 576461424. Its totient is φ = 54901056.

The previous prime is 205879013. The next prime is 205879043. The reversal of 205879020 is 20978502.

205879020 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×205879020³ (a number of 26 digits) contains 333 as substring.

205879020 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715599 + ... + 1715718.

It is an arithmetic number, because the mean of its divisors is an integer number (24019226).

Almost surely, 2^205879020 is an apocalyptic number.

205879020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205879020 is an abundant number, since it is smaller than the sum of its proper divisors (370582404).

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

205879020 is a wasteful number, since it uses less digits than its factorization.

205879020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431329 (or 3431327 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 205879020 is about 14348.4849374420. The cubic root of 205879020 is about 590.4784207235.

The spelling of 205879020 in words is "two hundred five million, eight hundred seventy-nine thousand, twenty".