203000322220 has 12 divisors (see below), whose sum is σ = 426300676704. Its totient is φ = 81200128880.

The previous prime is 203000322197. The next prime is 203000322257. The reversal of 203000322220 is 22223000302.

It is a junction number, because it is equal to n+sod(n) for n = 203000322194 and 203000322203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5075008036 + ... + 5075008075.

It is an arithmetic number, because the mean of its divisors is an integer number (35525056392).

Almost surely, 2^203000322220 is an apocalyptic number.

203000322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203000322220 is an abundant number, since it is smaller than the sum of its proper divisors (223300354484).

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

203000322220 is a wasteful number, since it uses less digits than its factorization.

203000322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150016120 (or 10150016118 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 203000322220 its reverse (22223000302), we get a palindrome (225223322522).

The spelling of 203000322220 in words is "two hundred three billion, three hundred twenty-two thousand, two hundred twenty".