3281970820 has 24 divisors (see below), whose sum is σ = 6911352000. Its totient is φ = 1309128672.

The previous prime is 3281970793. The next prime is 3281970821. The reversal of 3281970820 is 280791823.

3281970820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3281970821) 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, 221370 + ... + 235729.

It is an arithmetic number, because the mean of its divisors is an integer number (287973000).

Almost surely, 2^3281970820 is an apocalyptic number.

It is an amenable number.

3281970820 is an abundant number, since it is smaller than the sum of its proper divisors (3629381180).

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

3281970820 is a wasteful number, since it uses less digits than its factorization.

3281970820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457467 (or 457465 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 3281970820 is about 57288.4876742265. The cubic root of 3281970820 is about 1486.0892928669.

The spelling of 3281970820 in words is "three billion, two hundred eighty-one million, nine hundred seventy thousand, eight hundred twenty".