203323222121020 has 48 divisors (see below), whose sum is σ = 441790536600000. Its totient is φ = 78509121384960.

The previous prime is 203323222121003. The next prime is 203323222121113. The reversal of 203323222121020 is 20121222323302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32163321 + ... + 37962160.

It is an arithmetic number, because the mean of its divisors is an integer number (9203969512500).

Almost surely, 2^{203323222121020} is an apocalyptic number.

203323222121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203323222121020 is an abundant number, since it is smaller than the sum of its proper divisors (238467314478980).

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

203323222121020 is a wasteful number, since it uses less digits than its factorization.

203323222121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70130518 (or 70130516 counting only the distinct ones).

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

Adding to 203323222121020 its reverse (20121222323302), we get a palindrome (223444444444322).

The spelling of 203323222121020 in words is "two hundred three trillion, three hundred twenty-three billion, two hundred twenty-two million, one hundred twenty-one thousand, twenty".