20202320112 has 160 divisors (see below), whose sum is σ = 60671116800. Its totient is φ = 5740686336.

The previous prime is 20202319999. The next prime is 20202320137. The reversal of 20202320112 is 21102320202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20202320091 and 20202320100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391939 + ... + 440477.

It is an arithmetic number, because the mean of its divisors is an integer number (379194480).

Almost surely, 2^20202320112 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 20202320112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30335558400).

20202320112 is an abundant number, since it is smaller than the sum of its proper divisors (40468796688).

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

20202320112 is a wasteful number, since it uses less digits than its factorization.

20202320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48615 (or 48609 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20202320112 its reverse (21102320202), we get a palindrome (41304640314).

The spelling of 20202320112 in words is "twenty billion, two hundred two million, three hundred twenty thousand, one hundred twelve".