4423522020 has 24 divisors (see below), whose sum is σ = 12385861824. Its totient is φ = 1179605856.

The previous prime is 4423522003. The next prime is 4423522057. The reversal of 4423522020 is 202253244.

It is a happy number.

It is a super-2 number, since 2×4423522020² = 39135094122849760800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36862624 + ... + 36862743.

It is an arithmetic number, because the mean of its divisors is an integer number (516077576).

Almost surely, 2^4423522020 is an apocalyptic number.

It is an amenable number.

4423522020 is an abundant number, since it is smaller than the sum of its proper divisors (7962339804).

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

4423522020 is a wasteful number, since it uses less digits than its factorization.

4423522020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73725379 (or 73725377 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 4423522020 is about 66509.5633724955. The cubic root of 4423522020 is about 1641.5573670550.

Adding to 4423522020 its reverse (202253244), we get a palindrome (4625775264).

The spelling of 4423522020 in words is "four billion, four hundred twenty-three million, five hundred twenty-two thousand, twenty".