203311223222020 has 12 divisors (see below), whose sum is σ = 426953568766284. Its totient is φ = 81324489288800.

The previous prime is 203311223221999. The next prime is 203311223222033. The reversal of 203311223222020 is 20222322113302.

It can be written as a sum of positive squares in 2 ways, for example, as 107314847866944 + 95996375355076 = 10359288^2 + 9797774^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5082780580531 + ... + 5082780580570.

It is an arithmetic number, because the mean of its divisors is an integer number (35579464063857).

Almost surely, 2^{203311223222020} is an apocalyptic number.

203311223222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203311223222020 is an abundant number, since it is smaller than the sum of its proper divisors (223642345544264).

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

203311223222020 is a wasteful number, since it uses less digits than its factorization.

203311223222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10165561161110 (or 10165561161108 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 203311223222020 its reverse (20222322113302), we get a palindrome (223533545335322).

The spelling of 203311223222020 in words is "two hundred three trillion, three hundred eleven billion, two hundred twenty-three million, two hundred twenty-two thousand, twenty".