4102020144 has 50 divisors (see below), whose sum is σ = 11872440140. Its totient is φ = 1367339616.

The previous prime is 4102020137. The next prime is 4102020157. The reversal of 4102020144 is 4410202014.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1581274 + ... + 1583865.

Almost surely, 2^4102020144 is an apocalyptic number.

It is an amenable number.

4102020144 is an abundant number, since it is smaller than the sum of its proper divisors (7770419996).

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

4102020144 is a wasteful number, since it uses less digits than its factorization.

4102020144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165159 (or 3165144 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4102020144 is about 64047.0151060922. The cubic root of 4102020144 is about 1600.7834891945.

Adding to 4102020144 its reverse (4410202014), we get a palindrome (8512222158).

The spelling of 4102020144 in words is "four billion, one hundred two million, twenty thousand, one hundred forty-four".