20003030016 has 88 divisors (see below), whose sum is σ = 53357331264. Its totient is φ = 6662430720.

The previous prime is 20003029999. The next prime is 20003030039. The reversal of 20003030016 is 61003030002.

It is a junction number, because it is equal to n+sod(n) for n = 20003029977 and 20003030004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7165581 + ... + 7168371.

Almost surely, 2^20003030016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003030016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26678665632).

20003030016 is an abundant number, since it is smaller than the sum of its proper divisors (33354301248).

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

20003030016 is a wasteful number, since it uses less digits than its factorization.

20003030016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5147 (or 5129 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20003030016 its reverse (61003030002), we get a palindrome (81006060018).

The spelling of 20003030016 in words is "twenty billion, three million, thirty thousand, sixteen".