203203414320220 has 48 divisors (see below), whose sum is σ = 427110003492480. Its totient is φ = 81208467693056.

The previous prime is 203203414320217. The next prime is 203203414320241. The reversal of 203203414320220 is 22023414302302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143714214 + ... + 145121266.

It is an arithmetic number, because the mean of its divisors is an integer number (8898125072760).

Almost surely, 2^{203203414320220} is an apocalyptic number.

203203414320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203203414320220 is an abundant number, since it is smaller than the sum of its proper divisors (223906589172260).

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

203203414320220 is a wasteful number, since it uses less digits than its factorization.

203203414320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413534 (or 1413532 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 203203414320220 its reverse (22023414302302), we get a palindrome (225226828622522).

The spelling of 203203414320220 in words is "two hundred three trillion, two hundred three billion, four hundred fourteen million, three hundred twenty thousand, two hundred twenty".