4442621020 has 12 divisors (see below), whose sum is σ = 9329504184. Its totient is φ = 1777048400.

The previous prime is 4442620979. The next prime is 4442621039. The reversal of 4442621020 is 201262444.

It is a happy number.

It is a congruent number.

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, 111065506 + ... + 111065545.

It is an arithmetic number, because the mean of its divisors is an integer number (777458682).

Almost surely, 2^4442621020 is an apocalyptic number.

It is an amenable number.

4442621020 is an abundant number, since it is smaller than the sum of its proper divisors (4886883164).

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

4442621020 is a wasteful number, since it uses less digits than its factorization.

4442621020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222131060 (or 222131058 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 4442621020 is about 66652.9895803632. The cubic root of 4442621020 is about 1643.9165045615.

Adding to 4442621020 its reverse (201262444), we get a palindrome (4643883464).

The spelling of 4442621020 in words is "four billion, four hundred forty-two million, six hundred twenty-one thousand, twenty".