20044221140 has 24 divisors (see below), whose sum is σ = 42097491072. Its totient is φ = 8016807200.

The previous prime is 20044221097. The next prime is 20044221157. The reversal of 20044221140 is 4112244002.

It is a super-2 number, since 2×20044221140² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 7 ways as a sum of consecutive naturals, for example, 150065 + ... + 250215.

It is an arithmetic number, because the mean of its divisors is an integer number (1754062128).

Almost surely, 2^20044221140 is an apocalyptic number.

20044221140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20044221140 is an abundant number, since it is smaller than the sum of its proper divisors (22053269932).

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

20044221140 is a wasteful number, since it uses less digits than its factorization.

20044221140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110167 (or 110165 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20044221140 its reverse (4112244002), we get a palindrome (24156465142).

The spelling of 20044221140 in words is "twenty billion, forty-four million, two hundred twenty-one thousand, one hundred forty".