203420013330020 has 48 divisors (see below), whose sum is σ = 452515699899648. Its totient is φ = 76546889356800.

The previous prime is 203420013330011. The next prime is 203420013330143. The reversal of 203420013330020 is 20033310024302.

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, 135041756 + ... + 136539795.

It is an arithmetic number, because the mean of its divisors is an integer number (9427410414576).

Almost surely, 2^{203420013330020} is an apocalyptic number.

203420013330020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203420013330020 is an abundant number, since it is smaller than the sum of its proper divisors (249095686569628).

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

203420013330020 is a wasteful number, since it uses less digits than its factorization.

203420013330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271583780 (or 271583778 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 203420013330020 its reverse (20033310024302), we get a palindrome (223453323354322).

The spelling of 203420013330020 in words is "two hundred three trillion, four hundred twenty billion, thirteen million, three hundred thirty thousand, twenty".