20301022120 has 16 divisors (see below), whose sum is σ = 45677299860. Its totient is φ = 8120408832.

The previous prime is 20301022117. The next prime is 20301022123. The reversal of 20301022120 is 2122010302.

It is an interprime number because it is at equal distance from previous prime (20301022117) and next prime (20301022123).

It can be written as a sum of positive squares in 2 ways, for example, as 16359944836 + 3941077284 = 127906^2 + 62778^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20301022120.

It is not an unprimeable number, because it can be changed into a prime (20301022123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253762737 + ... + 253762816.

Almost surely, 2^20301022120 is an apocalyptic number.

20301022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301022120 is an abundant number, since it is smaller than the sum of its proper divisors (25376277740).

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

20301022120 is a wasteful number, since it uses less digits than its factorization.

20301022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507525564 (or 507525560 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20301022120 its reverse (2122010302), we get a palindrome (22423032422).

The spelling of 20301022120 in words is "twenty billion, three hundred one million, twenty-two thousand, one hundred twenty".