203122020220 has 48 divisors (see below), whose sum is σ = 487582441920. Its totient is φ = 69629036544.

The previous prime is 203122020203. The next prime is 203122020281. The reversal of 203122020220 is 22020221302.

203122020220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 203122020194 and 203122020203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647436 + ... + 908524.

It is an arithmetic number, because the mean of its divisors is an integer number (10157967540).

Almost surely, 2^203122020220 is an apocalyptic number.

203122020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203122020220 is an abundant number, since it is smaller than the sum of its proper divisors (284460421700).

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

203122020220 is a wasteful number, since it uses less digits than its factorization.

203122020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266662 (or 266660 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 203122020220 its reverse (22020221302), we get a palindrome (225142241522).

The spelling of 203122020220 in words is "two hundred three billion, one hundred twenty-two million, twenty thousand, two hundred twenty".