20301213020 has 72 divisors (see below), whose sum is σ = 47454187200. Its totient is φ = 7288744320.

The previous prime is 20301213001. The next prime is 20301213029. The reversal of 20301213020 is 2031210302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20301212986 and 20301213004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301213029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138086 + ... + 244274.

Almost surely, 2^20301213020 is an apocalyptic number.

20301213020 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 20301213020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23727093600).

20301213020 is an abundant number, since it is smaller than the sum of its proper divisors (27152974180).

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

20301213020 is a wasteful number, since it uses less digits than its factorization.

20301213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106299 (or 106286 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20301213020 its reverse (2031210302), we get a palindrome (22332423322).

The spelling of 20301213020 in words is "twenty billion, three hundred one million, two hundred thirteen thousand, twenty".