20301224112 has 120 divisors (see below), whose sum is σ = 61264627424. Its totient is φ = 6238467072.

The previous prime is 20301224071. The next prime is 20301224131. The reversal of 20301224112 is 21142210302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1534068 + ... + 1547244.

Almost surely, 2^20301224112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20301224112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30632313712).

20301224112 is an abundant number, since it is smaller than the sum of its proper divisors (40963403312).

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

20301224112 is a wasteful number, since it uses less digits than its factorization.

20301224112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14027 (or 14018 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20301224112 its reverse (21142210302), we get a palindrome (41443434414).

The spelling of 20301224112 in words is "twenty billion, three hundred one million, two hundred twenty-four thousand, one hundred twelve".