20020425030 has 96 divisors (see below), whose sum is σ = 53688106368. Its totient is φ = 5173344000.

The previous prime is 20020425017. The next prime is 20020425059. The reversal of 20020425030 is 3052402002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20020424994 and 20020425012.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 403800 + ... + 450660.

It is an arithmetic number, because the mean of its divisors is an integer number (559251108).

Almost surely, 2^20020425030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020425030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26844053184).

20020425030 is an abundant number, since it is smaller than the sum of its proper divisors (33667681338).

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

20020425030 is a wasteful number, since it uses less digits than its factorization.

20020425030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47022 (or 47019 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 20020425030 its reverse (3052402002), we get a palindrome (23072827032).

The spelling of 20020425030 in words is "twenty billion, twenty million, four hundred twenty-five thousand, thirty".