204214081720 has 64 divisors (see below), whose sum is σ = 505079245440. Its totient is φ = 73692777600.

The previous prime is 204214081711. The next prime is 204214081739. The reversal of 204214081720 is 27180412402.

204214081720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1713822 + ... + 1829101.

It is an arithmetic number, because the mean of its divisors is an integer number (7891863210).

Almost surely, 2^204214081720 is an apocalyptic number.

204214081720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204214081720 is an abundant number, since it is smaller than the sum of its proper divisors (300865163720).

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

204214081720 is a wasteful number, since it uses less digits than its factorization.

204214081720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543076 (or 3543072 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The spelling of 204214081720 in words is "two hundred four billion, two hundred fourteen million, eighty-one thousand, seven hundred twenty".