2331065420 has 24 divisors (see below), whose sum is σ = 4897491984. Its totient is φ = 931996736.

The previous prime is 2331065411. The next prime is 2331065423. The reversal of 2331065420 is 245601332.

It is a self number, because there is not a number n which added to its sum of digits gives 2331065420.

It is not an unprimeable number, because it can be changed into a prime (2331065423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19634 + ... + 71046.

It is an arithmetic number, because the mean of its divisors is an integer number (204062166).

Almost surely, 2^2331065420 is an apocalyptic number.

2331065420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331065420 is an abundant number, since it is smaller than the sum of its proper divisors (2566426564).

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

2331065420 is a wasteful number, since it uses less digits than its factorization.

2331065420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53689 (or 53687 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2331065420 is about 48281.1083137080. The cubic root of 2331065420 is about 1325.9225415754.

Adding to 2331065420 its reverse (245601332), we get a palindrome (2576666752).

The spelling of 2331065420 in words is "two billion, three hundred thirty-one million, sixty-five thousand, four hundred twenty".