203021332230 has 16 divisors (see below), whose sum is σ = 487251197424. Its totient is φ = 54139021920.

The previous prime is 203021332159. The next prime is 203021332237. The reversal of 203021332230 is 32233120302.

It is a super-2 number, since 2×203021332230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203021332197 and 203021332206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203021332237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3383688841 + ... + 3383688900.

It is an arithmetic number, because the mean of its divisors is an integer number (30453199839).

Almost surely, 2^203021332230 is an apocalyptic number.

203021332230 is an abundant number, since it is smaller than the sum of its proper divisors (284229865194).

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

203021332230 is a wasteful number, since it uses less digits than its factorization.

203021332230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6767377751.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 203021332230 its reverse (32233120302), we get a palindrome (235254452532).

The spelling of 203021332230 in words is "two hundred three billion, twenty-one million, three hundred thirty-two thousand, two hundred thirty".