4102445020 has 12 divisors (see below), whose sum is σ = 8615134584. Its totient is φ = 1640978000.

The previous prime is 4102444987. The next prime is 4102445063. The reversal of 4102445020 is 205442014.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4102444982 and 4102445000.

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, 102561106 + ... + 102561145.

It is an arithmetic number, because the mean of its divisors is an integer number (717927882).

Almost surely, 2^4102445020 is an apocalyptic number.

It is an amenable number.

4102445020 is an abundant number, since it is smaller than the sum of its proper divisors (4512689564).

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

4102445020 is a wasteful number, since it uses less digits than its factorization.

4102445020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205122260 (or 205122258 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4102445020 is about 64050.3319273210. The cubic root of 4102445020 is about 1600.8387555414.

Adding to 4102445020 its reverse (205442014), we get a palindrome (4307887034).

The spelling of 4102445020 in words is "four billion, one hundred two million, four hundred forty-five thousand, twenty".