20434222112 has 48 divisors (see below), whose sum is σ = 40664024352. Its totient is φ = 10107202560.

The previous prime is 20434222093. The next prime is 20434222147. The reversal of 20434222112 is 21122243402.

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, 1972787 + ... + 1983117.

It is an arithmetic number, because the mean of its divisors is an integer number (847167174).

Almost surely, 2^20434222112 is an apocalyptic number.

It is an amenable number.

20434222112 is a deficient number, since it is larger than the sum of its proper divisors (20229802240).

20434222112 is a wasteful number, since it uses less digits than its factorization.

20434222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001 (or 10993 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20434222112 its reverse (21122243402), we get a palindrome (41556465514).

The spelling of 20434222112 in words is "twenty billion, four hundred thirty-four million, two hundred twenty-two thousand, one hundred twelve".