20043142000 has 160 divisors (see below), whose sum is σ = 55480449024. Its totient is φ = 6860448000.

The previous prime is 20043141953. The next prime is 20043142003. The reversal of 20043142000 is 24134002.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043142003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16281385 + ... + 16282615.

Almost surely, 2^20043142000 is an apocalyptic number.

20043142000 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 20043142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27740224512).

20043142000 is an abundant number, since it is smaller than the sum of its proper divisors (35437307024).

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

20043142000 is a wasteful number, since it uses less digits than its factorization.

20043142000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424 (or 2408 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20043142000 its reverse (24134002), we get a palindrome (20067276002).

The spelling of 20043142000 in words is "twenty billion, forty-three million, one hundred forty-two thousand".