20342421112 has 32 divisors (see below), whose sum is σ = 41130895680. Its totient is φ = 9376272000.

The previous prime is 20342421109. The next prime is 20342421149. The reversal of 20342421112 is 21112424302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52123 + ... + 208330.

It is an arithmetic number, because the mean of its divisors is an integer number (1285340490).

Almost surely, 2^20342421112 is an apocalyptic number.

It is an amenable number.

20342421112 is an abundant number, since it is smaller than the sum of its proper divisors (20788474568).

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

20342421112 is a wasteful number, since it uses less digits than its factorization.

20342421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261223 (or 261219 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20342421112 its reverse (21112424302), we get a palindrome (41454845414).

The spelling of 20342421112 in words is "twenty billion, three hundred forty-two million, four hundred twenty-one thousand, one hundred twelve".