20202113112 has 64 divisors (see below), whose sum is σ = 53926836480. Its totient is φ = 6291449472.

The previous prime is 20202113101. The next prime is 20202113117. The reversal of 20202113112 is 21131120202.

It is a junction number, because it is equal to n+sod(n) for n = 20202113091 and 20202113100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202113117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401823 + ... + 449294.

It is an arithmetic number, because the mean of its divisors is an integer number (842606820).

Almost surely, 2^20202113112 is an apocalyptic number.

It is an amenable number.

20202113112 is an abundant number, since it is smaller than the sum of its proper divisors (33724723368).

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

20202113112 is a wasteful number, since it uses less digits than its factorization.

20202113112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851192 (or 851188 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20202113112 its reverse (21131120202), we get a palindrome (41333233314).

The spelling of 20202113112 in words is "twenty billion, two hundred two million, one hundred thirteen thousand, one hundred twelve".