20444202343000 has 128 divisors (see below), whose sum is σ = 48043133424000. Its totient is φ = 8142934387200.

The previous prime is 20444202342979. The next prime is 20444202343133. The reversal of 20444202343000 is 34320244402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20444202343000.

It is a congruent number.

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, 223405254 + ... + 223496746.

It is an arithmetic number, because the mean of its divisors is an integer number (375336979875).

Almost surely, 2^{20444202343000} is an apocalyptic number.

20444202343000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20444202343000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24021566712000).

20444202343000 is an abundant number, since it is smaller than the sum of its proper divisors (27598931081000).

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

20444202343000 is a wasteful number, since it uses less digits than its factorization.

20444202343000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92462 (or 92448 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20444202343000 its reverse (34320244402), we get a palindrome (20478522587402).

The spelling of 20444202343000 in words is "twenty trillion, four hundred forty-four billion, two hundred two million, three hundred forty-three thousand".