4023032020020 has 72 divisors (see below), whose sum is σ = 13141904606376. Its totient is φ = 990284804352.

The previous prime is 4023032019991. The next prime is 4023032020081. The reversal of 4023032020020 is 200202303204.

4023032020020 is a `hidden beast` number, since 402 + 30 + 32 + 0 + 200 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 337760893584 + 3685271126436 = 581172^2 + 1919706^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4023032019975 and 4023032020002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 859619887 + ... + 859624566.

Almost surely, 2^{4023032020020} is an apocalyptic number.

It is an amenable number.

4023032020020 is an abundant number, since it is smaller than the sum of its proper divisors (9118872586356).

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

4023032020020 is a wasteful number, since it uses less digits than its factorization.

4023032020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719244481 (or 1719244476 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 4023032020020 its reverse (200202303204), we get a palindrome (4223234323224).

The spelling of 4023032020020 in words is "four trillion, twenty-three billion, thirty-two million, twenty thousand, twenty".