3120021234020 has 24 divisors (see below), whose sum is σ = 6570926578944. Its totient is φ = 1244411924576.

The previous prime is 3120021234019. The next prime is 3120021234067. The reversal of 3120021234020 is 204321200213.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3120021233983 and 3120021234001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224778452 + ... + 224792331.

It is an arithmetic number, because the mean of its divisors is an integer number (273788607456).

Almost surely, 2^{3120021234020} is an apocalyptic number.

It is an amenable number.

3120021234020 is an abundant number, since it is smaller than the sum of its proper divisors (3450905344924).

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

3120021234020 is a wasteful number, since it uses less digits than its factorization.

3120021234020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449571139 (or 449571137 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 3120021234020 its reverse (204321200213), we get a palindrome (3324342434233).

The spelling of 3120021234020 in words is "three trillion, one hundred twenty billion, twenty-one million, two hundred thirty-four thousand, twenty".