2231203420 has 24 divisors (see below), whose sum is σ = 4961147184. Its totient is φ = 839982336.

The previous prime is 2231203391. The next prime is 2231203441. The reversal of 2231203420 is 243021322.

It is a super-3 number, since 3×2231203420³ (a number of 29 digits) contains 333 as substring.

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, 3280842 + ... + 3281521.

It is an arithmetic number, because the mean of its divisors is an integer number (206714466).

Almost surely, 2^2231203420 is an apocalyptic number.

2231203420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231203420 is an abundant number, since it is smaller than the sum of its proper divisors (2729943764).

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

2231203420 is a wasteful number, since it uses less digits than its factorization.

2231203420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562389 (or 6562387 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2231203420 is about 47235.6160116495. The cubic root of 2231203420 is about 1306.7115273656.

Adding to 2231203420 its reverse (243021322), we get a palindrome (2474224742).

The spelling of 2231203420 in words is "two billion, two hundred thirty-one million, two hundred three thousand, four hundred twenty".