20424203000 has 128 divisors (see below), whose sum is σ = 48858301440. Its totient is φ = 7989120000.

The previous prime is 20424202991. The next prime is 20424203011. The reversal of 20424203000 is 30242402.

It is a self number, because there is not a number n which added to its sum of digits gives 20424203000.

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, 11650124 + ... + 11651876.

It is an arithmetic number, because the mean of its divisors is an integer number (381705480).

Almost surely, 2^20424203000 is an apocalyptic number.

20424203000 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 20424203000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24429150720).

20424203000 is an abundant number, since it is smaller than the sum of its proper divisors (28434098440).

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

20424203000 is a wasteful number, since it uses less digits than its factorization.

20424203000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 20424203000 its reverse (30242402), we get a palindrome (20454445402).

The spelling of 20424203000 in words is "twenty billion, four hundred twenty-four million, two hundred three thousand".