20023301000 has 64 divisors (see below), whose sum is σ = 46895874480. Its totient is φ = 8002252800.

The previous prime is 20023300987. The next prime is 20023301003. The reversal of 20023301000 is 10332002.

It can be written as a sum of positive squares in 8 ways, for example, as 2328448516 + 17694852484 = 48254^2 + 133022^2 .

It is not an unprimeable number, because it can be changed into a prime (20023301003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1208774 + ... + 1225226.

Almost surely, 2^20023301000 is an apocalyptic number.

20023301000 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 20023301000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23447937240).

20023301000 is an abundant number, since it is smaller than the sum of its proper divisors (26872573480).

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

20023301000 is a wasteful number, since it uses less digits than its factorization.

20023301000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17691 (or 17677 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20023301000 its reverse (10332002), we get a palindrome (20033633002).

The spelling of 20023301000 in words is "twenty billion, twenty-three million, three hundred one thousand".