203055082720 has 144 divisors (see below), whose sum is σ = 559453093920. Its totient is φ = 69442458624.

The previous prime is 203055082717. The next prime is 203055082721. The reversal of 203055082720 is 27280550302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203055082721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3079861 + ... + 3145099.

It is an arithmetic number, because the mean of its divisors is an integer number (3885090930).

Almost surely, 2^203055082720 is an apocalyptic number.

203055082720 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 203055082720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279726546960).

203055082720 is an abundant number, since it is smaller than the sum of its proper divisors (356398011200).

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

203055082720 is a wasteful number, since it uses less digits than its factorization.

203055082720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65665 (or 65650 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 203055082720 in words is "two hundred three billion, fifty-five million, eighty-two thousand, seven hundred twenty".