20434441000424 has 64 divisors (see below), whose sum is σ = 42216124017600. Its totient is φ = 9195423552000.

The previous prime is 20434441000411. The next prime is 20434441000427. The reversal of 20434441000424 is 42400014443402.

It is not an unprimeable number, because it can be changed into a prime (20434441000427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85374164 + ... + 85613180.

It is an arithmetic number, because the mean of its divisors is an integer number (659626937775).

Almost surely, 2^{20434441000424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20434441000424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21108062008800).

20434441000424 is an abundant number, since it is smaller than the sum of its proper divisors (21781683017176).

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

20434441000424 is a wasteful number, since it uses less digits than its factorization.

20434441000424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248754 (or 248750 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 20434441000424 its reverse (42400014443402), we get a palindrome (62834455443826).

The spelling of 20434441000424 in words is "twenty trillion, four hundred thirty-four billion, four hundred forty-one million, four hundred twenty-four", and thus it is an aban number.