20253324444 has 48 divisors (see below), whose sum is σ = 47725117440. Its totient is φ = 6684431040.

The previous prime is 20253324409. The next prime is 20253324463. The reversal of 20253324444 is 44442335202.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2170549 + ... + 2179859.

It is an arithmetic number, because the mean of its divisors is an integer number (994273280).

Almost surely, 2^20253324444 is an apocalyptic number.

It is an amenable number.

20253324444 is an abundant number, since it is smaller than the sum of its proper divisors (27471792996).

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

20253324444 is a wasteful number, since it uses less digits than its factorization.

20253324444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090 (or 11088 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 20253324444 its reverse (44442335202), we get a palindrome (64695659646).

The spelling of 20253324444 in words is "twenty billion, two hundred fifty-three million, three hundred twenty-four thousand, four hundred forty-four".