20525332242 has 16 divisors (see below), whose sum is σ = 41210397792. Its totient is φ = 6815155200.

The previous prime is 20525332241. The next prime is 20525332297. The reversal of 20525332242 is 24223352502.

It is not an unprimeable number, because it can be changed into a prime (20525332241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6653884 + ... + 6656967.

It is an arithmetic number, because the mean of its divisors is an integer number (2575649862).

Almost surely, 2^20525332242 is an apocalyptic number.

20525332242 is an abundant number, since it is smaller than the sum of its proper divisors (20685065550).

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

20525332242 is a wasteful number, since it uses less digits than its factorization.

20525332242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13311113.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 20525332242 its reverse (24223352502), we get a palindrome (44748684744).

The spelling of 20525332242 in words is "twenty billion, five hundred twenty-five million, three hundred thirty-two thousand, two hundred forty-two".