20002023000 has 192 divisors, whose sum is σ = 67714189920. Its totient is φ = 5325408000.

The previous prime is 20002022987. The next prime is 20002023011. The reversal of 20002023000 is 32020002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7387647 + ... + 7390353.

Almost surely, 2^20002023000 is an apocalyptic number.

20002023000 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 20002023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33857094960).

20002023000 is an abundant number, since it is smaller than the sum of its proper divisors (47712166920).

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

20002023000 is a wasteful number, since it uses less digits than its factorization.

20002023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555 (or 3538 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

Adding to 20002023000 its reverse (32020002), we get a palindrome (20034043002).

The spelling of 20002023000 in words is "twenty billion, two million, twenty-three thousand".