20301211020 has 48 divisors (see below), whose sum is σ = 58052832768. Its totient is φ = 5298471360.

The previous prime is 20301211019. The next prime is 20301211031. The reversal of 20301211020 is 2011210302.

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 = 20301210987 and 20301211005.

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 15 ways as a sum of consecutive naturals, for example, 3596686 + ... + 3602325.

It is an arithmetic number, because the mean of its divisors is an integer number (1209434016).

Almost surely, 2^20301211020 is an apocalyptic number.

20301211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301211020 is an abundant number, since it is smaller than the sum of its proper divisors (37751621748).

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

20301211020 is a wasteful number, since it uses less digits than its factorization.

20301211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7199070 (or 7199068 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20301211020 its reverse (2011210302), we get a palindrome (22312421322).

The spelling of 20301211020 in words is "twenty billion, three hundred one million, two hundred eleven thousand, twenty".