203132020212330 has 128 divisors (see below), whose sum is σ = 533841931763712. Its totient is φ = 49058472960000.

The previous prime is 203132020212313. The next prime is 203132020212349. The reversal of 203132020212330 is 33212020231302.

It is a self number, because there is not a number n which added to its sum of digits gives 203132020212330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1201944135 + ... + 1202113125.

It is an arithmetic number, because the mean of its divisors is an integer number (4170640091904).

Almost surely, 2^{203132020212330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203132020212330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266920965881856).

203132020212330 is an abundant number, since it is smaller than the sum of its proper divisors (330709911551382).

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

203132020212330 is a wasteful number, since it uses less digits than its factorization.

203132020212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182724.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 203132020212330 its reverse (33212020231302), we get a palindrome (236344040443632).

The spelling of 203132020212330 in words is "two hundred three trillion, one hundred thirty-two billion, twenty million, two hundred twelve thousand, three hundred thirty".