3021143020 has 72 divisors (see below), whose sum is σ = 7551959184. Its totient is φ = 1011717504.

The previous prime is 3021142997. The next prime is 3021143039. The reversal of 3021143020 is 203411203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3021142985 and 3021143003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6294 + ... + 77986.

It is an arithmetic number, because the mean of its divisors is an integer number (104888322).

Almost surely, 2^3021143020 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 3021143020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3775979592).

3021143020 is an abundant number, since it is smaller than the sum of its proper divisors (4530816164).

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

3021143020 is a wasteful number, since it uses less digits than its factorization.

3021143020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71759 (or 71750 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3021143020 is about 54964.9253615431. The cubic root of 3021143020 is about 1445.6298097050.

Adding to 3021143020 its reverse (203411203), we get a palindrome (3224554223).

The spelling of 3021143020 in words is "three billion, twenty-one million, one hundred forty-three thousand, twenty".