3251112020 has 96 divisors (see below), whose sum is σ = 7508675328. Its totient is φ = 1175150592.

The previous prime is 3251111999. The next prime is 3251112037. The reversal of 3251112020 is 202111523.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3251112020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3361577 + ... + 3362543.

It is an arithmetic number, because the mean of its divisors is an integer number (78215368).

Almost surely, 2^3251112020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3251112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3754337664).

3251112020 is an abundant number, since it is smaller than the sum of its proper divisors (4257563308).

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

3251112020 is a wasteful number, since it uses less digits than its factorization.

3251112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 3251112020 is about 57018.5234814091. The cubic root of 3251112020 is about 1481.4169562148.

Adding to 3251112020 its reverse (202111523), we get a palindrome (3453223543).

The spelling of 3251112020 in words is "three billion, two hundred fifty-one million, one hundred twelve thousand, twenty".