203420213310 has 64 divisors (see below), whose sum is σ = 489382186752. Its totient is φ = 54115117056.

The previous prime is 203420213279. The next prime is 203420213333. The reversal of 203420213310 is 13312024302.

203420213310 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 2×203420213310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 34668997 + ... + 34674863.

It is an arithmetic number, because the mean of its divisors is an integer number (7646596668).

Almost surely, 2^203420213310 is an apocalyptic number.

203420213310 is an abundant number, since it is smaller than the sum of its proper divisors (285961973442).

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

203420213310 is a wasteful number, since it uses less digits than its factorization.

203420213310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8457.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203420213310 its reverse (13312024302), we get a palindrome (216732237612).

The spelling of 203420213310 in words is "two hundred three billion, four hundred twenty million, two hundred thirteen thousand, three hundred ten".