20020420000 has 360 divisors, whose sum is σ = 59232539520. Its totient is φ = 6632640000.

The previous prime is 20020419997. The next prime is 20020420087. The reversal of 20020420000 is 2402002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

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 59 ways as a sum of consecutive naturals, for example, 30379671 + ... + 30380329.

It is an arithmetic number, because the mean of its divisors is an integer number (164534832).

Almost surely, 2^20020420000 is an apocalyptic number.

20020420000 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 20020420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29616269760).

20020420000 is an abundant number, since it is smaller than the sum of its proper divisors (39212119520).

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

20020420000 is an equidigital number, since it uses as much as digits as its factorization.

20020420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20020420000 its reverse (2402002), we get a palindrome (20022822002).

The spelling of 20020420000 in words is "twenty billion, twenty million, four hundred twenty thousand".