3224203220420 has 96 divisors (see below), whose sum is σ = 8346288346368. Its totient is φ = 1018819855872.

The previous prime is 3224203220411. The next prime is 3224203220429. The reversal of 3224203220420 is 240223024223.

It is an interprime number because it is at equal distance from previous prime (3224203220411) and next prime (3224203220429).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 3224203220420.

It is not an unprimeable number, because it can be changed into a prime (3224203220429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207299 + ... + 2547818.

It is an arithmetic number, because the mean of its divisors is an integer number (86940503608).

Almost surely, 2^{3224203220420} 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 3224203220420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4173144173184).

3224203220420 is an abundant number, since it is smaller than the sum of its proper divisors (5122085125948).

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

3224203220420 is a wasteful number, since it uses less digits than its factorization.

3224203220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755789 (or 2755787 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 3224203220420 its reverse (240223024223), we get a palindrome (3464426244643).

The spelling of 3224203220420 in words is "three trillion, two hundred twenty-four billion, two hundred three million, two hundred twenty thousand, four hundred twenty".