20043500452 has 24 divisors (see below), whose sum is σ = 36315430200. Its totient is φ = 9668230656.

The previous prime is 20043500419. The next prime is 20043500453. The reversal of 20043500452 is 25400534002.

It can be written as a sum of positive squares in 4 ways, for example, as 14329047616 + 5714452836 = 119704^2 + 75594^2 .

It is not an unprimeable number, because it can be changed into a prime (20043500453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72268 + ... + 212860.

It is an arithmetic number, because the mean of its divisors is an integer number (1513142925).

Almost surely, 2^20043500452 is an apocalyptic number.

It is an amenable number.

20043500452 is a deficient number, since it is larger than the sum of its proper divisors (16271929748).

20043500452 is a wasteful number, since it uses less digits than its factorization.

20043500452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141855 (or 141853 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The spelling of 20043500452 in words is "twenty billion, forty-three million, five hundred thousand, four hundred fifty-two".