2012240420020 has 48 divisors (see below), whose sum is σ = 4230809117136. Its totient is φ = 803924352000.

The previous prime is 2012240420011. The next prime is 2012240420033. The reversal of 2012240420020 is 200240422102.

It can be written as a sum of positive squares in 8 ways, for example, as 688222756 + 2011552197264 = 26234^2 + 1418292^2 .

It is a super-2 number, since 2×2012240420020² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2012240420020.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 98047360 + ... + 98067880.

It is an arithmetic number, because the mean of its divisors is an integer number (88141856607).

Almost surely, 2^{2012240420020} is an apocalyptic number.

2012240420020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012240420020 is an abundant number, since it is smaller than the sum of its proper divisors (2218568697116).

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

2012240420020 is a wasteful number, since it uses less digits than its factorization.

2012240420020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26212 (or 26210 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2012240420020 its reverse (200240422102), we get a palindrome (2212480842122).

The spelling of 2012240420020 in words is "two trillion, twelve billion, two hundred forty million, four hundred twenty thousand, twenty".