4023120020 has 24 divisors (see below), whose sum is σ = 8449765800. Its totient is φ = 1609016832.

The previous prime is 4023120011. The next prime is 4023120037. The reversal of 4023120020 is 200213204.

It can be written as a sum of positive squares in 4 ways, for example, as 1454049424 + 2569070596 = 38132^2 + 50686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4023119977 and 4023120004.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 225176 + ... + 242384.

It is an arithmetic number, because the mean of its divisors is an integer number (352073575).

Almost surely, 2^4023120020 is an apocalyptic number.

It is an amenable number.

4023120020 is an abundant number, since it is smaller than the sum of its proper divisors (4426645780).

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

4023120020 is a wasteful number, since it uses less digits than its factorization.

4023120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28907 (or 28905 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4023120020 is about 63428.0696537424. The cubic root of 4023120020 is about 1590.4535736428.

Adding to 4023120020 its reverse (200213204), we get a palindrome (4223333224).

The spelling of 4023120020 in words is "four billion, twenty-three million, one hundred twenty thousand, twenty".