20203125532 has 12 divisors (see below), whose sum is σ = 35359979760. Its totient is φ = 10100274176.

The previous prime is 20203125511. The next prime is 20203125539. The reversal of 20203125532 is 23552130202.

It is a junction number, because it is equal to n+sod(n) for n = 20203125497 and 20203125506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203125539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286432 + ... + 349927.

It is an arithmetic number, because the mean of its divisors is an integer number (2946664980).

Almost surely, 2^20203125532 is an apocalyptic number.

It is an amenable number.

20203125532 is a deficient number, since it is larger than the sum of its proper divisors (15156854228).

20203125532 is a wasteful number, since it uses less digits than its factorization.

20203125532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644300 (or 644298 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 20203125532 its reverse (23552130202), we get a palindrome (43755255734).

The spelling of 20203125532 in words is "twenty billion, two hundred three million, one hundred twenty-five thousand, five hundred thirty-two".