2231200212020 has 48 divisors (see below), whose sum is σ = 5064703413840. Its totient is φ = 820765188096.

The previous prime is 2231200212019. The next prime is 2231200212041. The reversal of 2231200212020 is 202120021322.

2231200212020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 595696850596 + 1635503361424 = 771814^2 + 1278868^2 .

It is a super-3 number, since 3×2231200212020³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2231200212020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15880877 + ... + 16020756.

It is an arithmetic number, because the mean of its divisors is an integer number (105514654455).

Almost surely, 2^{2231200212020} is an apocalyptic number.

2231200212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231200212020 is an abundant number, since it is smaller than the sum of its proper divisors (2833503201820).

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

2231200212020 is a wasteful number, since it uses less digits than its factorization.

2231200212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31901924 (or 31901922 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2231200212020 its reverse (202120021322), we get a palindrome (2433320233342).

The spelling of 2231200212020 in words is "two trillion, two hundred thirty-one billion, two hundred million, two hundred twelve thousand, twenty".