20041442000 has 80 divisors (see below), whose sum is σ = 49183822272. Its totient is φ = 7896873600.

The previous prime is 20041441997. The next prime is 20041442023. The reversal of 20041442000 is 24414002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 20041442000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59219 + ... + 208781.

Almost surely, 2^20041442000 is an apocalyptic number.

20041442000 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 20041442000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24591911136).

20041442000 is an abundant number, since it is smaller than the sum of its proper divisors (29142380272).

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

20041442000 is a wasteful number, since it uses less digits than its factorization.

20041442000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149653 (or 149637 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20041442000 its reverse (24414002), we get a palindrome (20065856002).

The spelling of 20041442000 in words is "twenty billion, forty-one million, four hundred forty-two thousand".