203232222340 has 144 divisors (see below), whose sum is σ = 525920000256. Its totient is φ = 64499086080.

The previous prime is 203232222329. The next prime is 203232222367. The reversal of 203232222340 is 43222232302.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3061582 + ... + 3127258.

It is an arithmetic number, because the mean of its divisors is an integer number (3652222224).

Almost surely, 2^203232222340 is an apocalyptic number.

203232222340 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 203232222340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262960000128).

203232222340 is an abundant number, since it is smaller than the sum of its proper divisors (322687777916).

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

203232222340 is a wasteful number, since it uses less digits than its factorization.

203232222340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65778 (or 65745 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 203232222340 its reverse (43222232302), we get a palindrome (246454454642).

The spelling of 203232222340 in words is "two hundred three billion, two hundred thirty-two million, two hundred twenty-two thousand, three hundred forty".