203410450020 has 48 divisors (see below), whose sum is σ = 587921822208. Its totient is φ = 52493018880.

The previous prime is 203410449997. The next prime is 203410450031. The reversal of 203410450020 is 20054014302.

203410450020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203410450020² (a number of 23 digits) contains 22 as substring.

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, 54678369 + ... + 54682088.

It is an arithmetic number, because the mean of its divisors is an integer number (12248371296).

Almost surely, 2^203410450020 is an apocalyptic number.

203410450020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203410450020 is an abundant number, since it is smaller than the sum of its proper divisors (384511372188).

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

203410450020 is a wasteful number, since it uses less digits than its factorization.

203410450020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109360500 (or 109360498 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 203410450020 its reverse (20054014302), we get a palindrome (223464464322).

The spelling of 203410450020 in words is "two hundred three billion, four hundred ten million, four hundred fifty thousand, twenty".