3220120313444 has 12 divisors (see below), whose sum is σ = 5635353240300. Its totient is φ = 1610019387648.

The previous prime is 3220120313429. The next prime is 3220120313453. The reversal of 3220120313444 is 4443130210223.

It can be written as a sum of positive squares in 2 ways, for example, as 1841280735844 + 1378839577600 = 1356938^2 + 1174240^2 .

It is a super-2 number, since 2×3220120313444² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10014209 + ... + 10330760.

It is an arithmetic number, because the mean of its divisors is an integer number (469612770025).

Almost surely, 2^{3220120313444} is an apocalyptic number.

It is an amenable number.

3220120313444 is a deficient number, since it is larger than the sum of its proper divisors (2415232926856).

3220120313444 is a wasteful number, since it uses less digits than its factorization.

3220120313444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20384542 (or 20384540 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 3220120313444 its reverse (4443130210223), we get a palindrome (7663250523667).

The spelling of 3220120313444 in words is "three trillion, two hundred twenty billion, one hundred twenty million, three hundred thirteen thousand, four hundred forty-four".