3221020004 has 24 divisors (see below), whose sum is σ = 5947966080. Its totient is φ = 1523175104.

The previous prime is 3221020003. The next prime is 3221020021. The reversal of 3221020004 is 4000201223.

It is not an unprimeable number, because it can be changed into a prime (3221020003) 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, 188504 + ... + 204879.

It is an arithmetic number, because the mean of its divisors is an integer number (247831920).

Almost surely, 2^3221020004 is an apocalyptic number.

It is an amenable number.

3221020004 is a deficient number, since it is larger than the sum of its proper divisors (2726946076).

3221020004 is a wasteful number, since it uses less digits than its factorization.

3221020004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393499 (or 393497 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3221020004 is about 56754.0307291033. The cubic root of 3221020004 is about 1476.8321584204.

Adding to 3221020004 its reverse (4000201223), we get a palindrome (7221221227).

The spelling of 3221020004 in words is "three billion, two hundred twenty-one million, twenty thousand, four".