2012203420 has 12 divisors (see below), whose sum is σ = 4225627224. Its totient is φ = 804881360.

The previous prime is 2012203411. The next prime is 2012203421. The reversal of 2012203420 is 243022102.

It is a junction number, because it is equal to n+sod(n) for n = 2012203394 and 2012203403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012203421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50305066 + ... + 50305105.

It is an arithmetic number, because the mean of its divisors is an integer number (352135602).

Almost surely, 2^2012203420 is an apocalyptic number.

2012203420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012203420 is an abundant number, since it is smaller than the sum of its proper divisors (2213423804).

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

2012203420 is a wasteful number, since it uses less digits than its factorization.

2012203420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100610180 (or 100610178 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2012203420 is about 44857.5904390773. The cubic root of 2012203420 is about 1262.4784131198.

Adding to 2012203420 its reverse (243022102), we get a palindrome (2255225522).

The spelling of 2012203420 in words is "two billion, twelve million, two hundred three thousand, four hundred twenty".