203020112013 has 8 divisors (see below), whose sum is σ = 270708156576. Its totient is φ = 135339404400.

The previous prime is 203020111981. The next prime is 203020112023. The reversal of 203020112013 is 310211020302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203020112013 - 2⁵ = 203020111981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203020111983 and 203020112001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203020112023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769343 + ... + 1880588.

It is an arithmetic number, because the mean of its divisors is an integer number (33838519572).

Almost surely, 2^203020112013 is an apocalyptic number.

It is an amenable number.

203020112013 is a deficient number, since it is larger than the sum of its proper divisors (67688044563).

203020112013 is a wasteful number, since it uses less digits than its factorization.

203020112013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668475.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 203020112013 its reverse (310211020302), we get a palindrome (513231132315).

The spelling of 203020112013 in words is "two hundred three billion, twenty million, one hundred twelve thousand, thirteen".