203045053524420 has 384 divisors, whose sum is σ = 593206837977600. Its totient is φ = 51855183249408.

The previous prime is 203045053524373. The next prime is 203045053524421. The reversal of 203045053524420 is 24425350540302.

It is not an unprimeable number, because it can be changed into a prime (203045053524421) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 35516011402 + ... + 35516017118.

It is an arithmetic number, because the mean of its divisors is an integer number (1544809473900).

Almost surely, 2^{203045053524420} is an apocalyptic number.

203045053524420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203045053524420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296603418988800).

203045053524420 is an abundant number, since it is smaller than the sum of its proper divisors (390161784453180).

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

203045053524420 is a wasteful number, since it uses less digits than its factorization.

203045053524420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7127 (or 7125 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 39.

The spelling of 203045053524420 in words is "two hundred three trillion, forty-five billion, fifty-three million, five hundred twenty-four thousand, four hundred twenty".