20044302000 has 160 divisors (see below), whose sum is σ = 64983382464. Its totient is φ = 5315328000.

The previous prime is 20044301989. The next prime is 20044302007. The reversal of 20044302000 is 20344002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20044302007) 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, 1076772 + ... + 1095228.

Almost surely, 2^20044302000 is an apocalyptic number.

20044302000 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 20044302000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32491691232).

20044302000 is an abundant number, since it is smaller than the sum of its proper divisors (44939080464).

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

20044302000 is a wasteful number, since it uses less digits than its factorization.

20044302000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18664 (or 18648 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20044302000 its reverse (20344002), we get a palindrome (20064646002).

The spelling of 20044302000 in words is "twenty billion, forty-four million, three hundred two thousand".