203013423200020 has 24 divisors (see below), whose sum is σ = 430723324690344. Its totient is φ = 80368200523776.

The previous prime is 203013423199991. The next prime is 203013423200041. The reversal of 203013423200020 is 20002324310302.

It can be written as a sum of positive squares in 4 ways, for example, as 63702330927876 + 139311092272144 = 7981374^2 + 11803012^2 .

It is a super-3 number, since 3×203013423200020³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203013423199964 and 203013423200000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52323045277 + ... + 52323049156.

It is an arithmetic number, because the mean of its divisors is an integer number (17946805195431).

Almost surely, 2^{203013423200020} is an apocalyptic number.

203013423200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203013423200020 is an abundant number, since it is smaller than the sum of its proper divisors (227709901490324).

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

203013423200020 is a wasteful number, since it uses less digits than its factorization.

203013423200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104646094539 (or 104646094537 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 203013423200020 its reverse (20002324310302), we get a palindrome (223015747510322).

The spelling of 203013423200020 in words is "two hundred three trillion, thirteen billion, four hundred twenty-three million, two hundred thousand, twenty".