3028395128220 has 144 divisors (see below), whose sum is σ = 11452839810048. Its totient is φ = 629276906880.

The previous prime is 3028395128219. The next prime is 3028395128221. The reversal of 3028395128220 is 228215938203.

3028395128220 is a `hidden beast` number, since 3 + 0 + 2 + 8 + 39 + 512 + 82 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (3028395128219) and next prime (3028395128221).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3028395128221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109235604 + ... + 109263323.

It is an arithmetic number, because the mean of its divisors is an integer number (79533609792).

Almost surely, 2^{3028395128220} is an apocalyptic number.

3028395128220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3028395128220 is an abundant number, since it is smaller than the sum of its proper divisors (8424444681828).

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

3028395128220 is a wasteful number, since it uses less digits than its factorization.

3028395128220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218498960 (or 218498955 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 3028395128220 in words is "three trillion, twenty-eight billion, three hundred ninety-five million, one hundred twenty-eight thousand, two hundred twenty".