203132042220 has 192 divisors, whose sum is σ = 625688219520. Its totient is φ = 49011228672.

The previous prime is 203132042143. The next prime is 203132042227. The reversal of 203132042220 is 22240231302.

It is not an unprimeable number, because it can be changed into a prime (203132042227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6877404 + ... + 6906876.

It is an arithmetic number, because the mean of its divisors is an integer number (3258792810).

Almost surely, 2^203132042220 is an apocalyptic number.

203132042220 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 203132042220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312844109760).

203132042220 is an abundant number, since it is smaller than the sum of its proper divisors (422556177300).

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

203132042220 is a wasteful number, since it uses less digits than its factorization.

203132042220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29764 (or 29762 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 203132042220 its reverse (22240231302), we get a palindrome (225372273522).

The spelling of 203132042220 in words is "two hundred three billion, one hundred thirty-two million, forty-two thousand, two hundred twenty".