20125133332 has 24 divisors (see below), whose sum is σ = 35832468672. Its totient is φ = 9888777600.

The previous prime is 20125133323. The next prime is 20125133333. The reversal of 20125133332 is 23333152102.

It is a junction number, because it is equal to n+sod(n) for n = 20125133297 and 20125133306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125133333) 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, 132469 + ... + 240412.

It is an arithmetic number, because the mean of its divisors is an integer number (1493019528).

Almost surely, 2^20125133332 is an apocalyptic number.

It is an amenable number.

20125133332 is a deficient number, since it is larger than the sum of its proper divisors (15707335340).

20125133332 is a wasteful number, since it uses less digits than its factorization.

20125133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373119 (or 373117 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 20125133332 its reverse (23333152102), we get a palindrome (43458285434).

The spelling of 20125133332 in words is "twenty billion, one hundred twenty-five million, one hundred thirty-three thousand, three hundred thirty-two".