203001031220 has 48 divisors (see below), whose sum is σ = 459128839680. Its totient is φ = 74948643456.

The previous prime is 203001031201. The next prime is 203001031223. The reversal of 203001031220 is 22130100302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203001031195 and 203001031204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203001031223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5447411 + ... + 5484549.

It is an arithmetic number, because the mean of its divisors is an integer number (9565184160).

Almost surely, 2^203001031220 is an apocalyptic number.

203001031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203001031220 is an abundant number, since it is smaller than the sum of its proper divisors (256127808460).

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

203001031220 is a wasteful number, since it uses less digits than its factorization.

203001031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58184 (or 58182 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 203001031220 its reverse (22130100302), we get a palindrome (225131131522).

The spelling of 203001031220 in words is "two hundred three billion, one million, thirty-one thousand, two hundred twenty".