20225943000 has 160 divisors (see below), whose sum is σ = 70701190560. Its totient is φ = 5393563200.

The previous prime is 20225942993. The next prime is 20225943007. The reversal of 20225943000 is 34952202.

20225943000 is a `hidden beast` number, since 2 + 0 + 225 + 9 + 430 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (20225942993) and next prime (20225943007).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225943007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 43852 + ... + 205851.

It is an arithmetic number, because the mean of its divisors is an integer number (441882441).

Almost surely, 2^20225943000 is an apocalyptic number.

20225943000 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 20225943000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35350595280).

20225943000 is an abundant number, since it is smaller than the sum of its proper divisors (50475247560).

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

20225943000 is a wasteful number, since it uses less digits than its factorization.

20225943000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249736 (or 249713 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 20225943000 in words is "twenty billion, two hundred twenty-five million, nine hundred forty-three thousand".