20442244310020 has 96 divisors (see below), whose sum is σ = 47916008632800. Its totient is φ = 7276532465664.

The previous prime is 20442244310011. The next prime is 20442244310071. The reversal of 20442244310020 is 2001344224402.

It can be written as a sum of positive squares in 16 ways, for example, as 2827301005764 + 17614943304256 = 1681458^2 + 4197016^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8699005 + ... + 10796164.

It is an arithmetic number, because the mean of its divisors is an integer number (499125089925).

Almost surely, 2^{20442244310020} is an apocalyptic number.

20442244310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20442244310020 is an abundant number, since it is smaller than the sum of its proper divisors (27473764322780).

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

20442244310020 is a wasteful number, since it uses less digits than its factorization.

20442244310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19495337 (or 19495335 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20442244310020 its reverse (2001344224402), we get a palindrome (22443588534422).

The spelling of 20442244310020 in words is "twenty trillion, four hundred forty-two billion, two hundred forty-four million, three hundred ten thousand, twenty".