272820203900 has 72 divisors (see below), whose sum is σ = 623907984000. Its totient is φ = 103263526080.

The previous prime is 272820203827. The next prime is 272820203941. The reversal of 272820203900 is 9302028272.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 1548521 + ... + 1715679.

Almost surely, 2^272820203900 is an apocalyptic number.

272820203900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272820203900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311953992000).

272820203900 is an abundant number, since it is smaller than the sum of its proper divisors (351087780100).

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

272820203900 is a wasteful number, since it uses less digits than its factorization.

272820203900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168051 (or 168044 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 272820203900 in words is "two hundred seventy-two billion, eight hundred twenty million, two hundred three thousand, nine hundred".