20441251332 has 18 divisors (see below), whose sum is σ = 51670940958. Its totient is φ = 6813750432.

The previous prime is 20441251279. The next prime is 20441251349. The reversal of 20441251332 is 23315214402.

20441251332 is a `hidden beast` number, since 204 + 4 + 125 + 1 + 332 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17640089856 + 2801161476 = 132816^2 + 52926^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 20441251296 and 20441251305.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283906233 + ... + 283906304.

It is an arithmetic number, because the mean of its divisors is an integer number (2870607831).

Almost surely, 2^20441251332 is an apocalyptic number.

It is an amenable number.

20441251332 is an abundant number, since it is smaller than the sum of its proper divisors (31229689626).

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

20441251332 is a wasteful number, since it uses less digits than its factorization.

20441251332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567812547 (or 567812542 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20441251332 its reverse (23315214402), we get a palindrome (43756465734).

The spelling of 20441251332 in words is "twenty billion, four hundred forty-one million, two hundred fifty-one thousand, three hundred thirty-two".