20001003030 has 128 divisors (see below), whose sum is σ = 59445964800. Its totient is φ = 4755635712.

The previous prime is 20001003023. The next prime is 20001003053. The reversal of 20001003030 is 3030010002.

It is a happy number.

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 63 ways as a sum of consecutive naturals, for example, 27462 + ... + 201881.

It is an arithmetic number, because the mean of its divisors is an integer number (464421600).

Almost surely, 2^20001003030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20001003030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29722982400).

20001003030 is an abundant number, since it is smaller than the sum of its proper divisors (39444961770).

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

20001003030 is a wasteful number, since it uses less digits than its factorization.

20001003030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229395 (or 229389 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

Adding to 20001003030 its reverse (3030010002), we get a palindrome (23031013032).

The spelling of 20001003030 in words is "twenty billion, one million, three thousand, thirty".