20441162560 has 112 divisors (see below), whose sum is σ = 59908415616. Its totient is φ = 6469281792.

The previous prime is 20441162543. The next prime is 20441162617. The reversal of 20441162560 is 6526114402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×20441162560² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321862 + ... + 380101.

It is an arithmetic number, because the mean of its divisors is an integer number (534896568).

Almost surely, 2^20441162560 is an apocalyptic number.

20441162560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20441162560 is an abundant number, since it is smaller than the sum of its proper divisors (39467253056).

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

20441162560 is a wasteful number, since it uses less digits than its factorization.

20441162560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702000 (or 701990 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 20441162560 its reverse (6526114402), we get a palindrome (26967276962).

The spelling of 20441162560 in words is "twenty billion, four hundred forty-one million, one hundred sixty-two thousand, five hundred sixty".