203132730 has 16 divisors (see below), whose sum is σ = 487518624. Its totient is φ = 54168720.

The previous prime is 203132717. The next prime is 203132747. The reversal of 203132730 is 37231302.

It is a junction number, because it is equal to n+sod(n) for n = 203132697 and 203132706.

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, 3385516 + ... + 3385575.

It is an arithmetic number, because the mean of its divisors is an integer number (30469914).

Almost surely, 2^203132730 is an apocalyptic number.

203132730 is an abundant number, since it is smaller than the sum of its proper divisors (284385894).

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

203132730 is a wasteful number, since it uses less digits than its factorization.

203132730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771101.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 203132730 is about 14252.4639974988. The cubic root of 203132730 is about 587.8411285811.

The spelling of 203132730 in words is "two hundred three million, one hundred thirty-two thousand, seven hundred thirty".