20302210020 has 192 divisors, whose sum is σ = 59281238016. Its totient is φ = 5188592640.

The previous prime is 20302210013. The next prime is 20302210021. The reversal of 20302210020 is 2001220302.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20302209978 and 20302210005.

It is not an unprimeable number, because it can be changed into a prime (20302210021) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 23689432 + ... + 23690288.

It is an arithmetic number, because the mean of its divisors is an integer number (308756448).

Almost surely, 2^20302210020 is an apocalyptic number.

20302210020 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 20302210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29640619008).

20302210020 is an abundant number, since it is smaller than the sum of its proper divisors (38979027996).

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

20302210020 is a wasteful number, since it uses less digits than its factorization.

20302210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20302210020 its reverse (2001220302), we get a palindrome (22303430322).

The spelling of 20302210020 in words is "twenty billion, three hundred two million, two hundred ten thousand, twenty".