203116680 has 512 divisors, whose sum is σ = 827366400. Its totient is φ = 43794432.

The previous prime is 203116673. The next prime is 203116699. The reversal of 203116680 is 86611302.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5489622 + ... + 5489658.

It is an arithmetic number, because the mean of its divisors is an integer number (1615950).

Almost surely, 2^203116680 is an apocalyptic number.

203116680 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 203116680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413683200).

203116680 is an abundant number, since it is smaller than the sum of its proper divisors (624249720).

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

203116680 is a wasteful number, since it uses less digits than its factorization.

203116680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 203116680 is about 14251.9009258414. The cubic root of 203116680 is about 587.8256459315.

Adding to 203116680 its reverse (86611302), we get a palindrome (289727982).

The spelling of 203116680 in words is "two hundred three million, one hundred sixteen thousand, six hundred eighty".