20030000000 has 128 divisors (see below), whose sum is σ = 49904169120. Its totient is φ = 8008000000.

The previous prime is 20029999993. The next prime is 20030000009. The reversal of 20030000000 is 3002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030000009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9998999 + ... + 10001001.

Almost surely, 2^20030000000 is an apocalyptic number.

20030000000 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 20030000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24952084560).

20030000000 is an abundant number, since it is smaller than the sum of its proper divisors (29874169120).

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

20030000000 is an frugal number, since it uses more digits than its factorization.

20030000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 5.

Adding to 20030000000 its reverse (3002), we get a palindrome (20030003002).

The spelling of 20030000000 in words is "twenty billion, thirty million", and thus it is an aban number and an uban number.