20144342196 has 48 divisors (see below), whose sum is σ = 56973900480. Its totient is φ = 6104345760.

The previous prime is 20144342173. The next prime is 20144342201. The reversal of 20144342196 is 69124344102.

20144342196 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 434 + 219 + 6 = 666.

It is a super-2 number, since 2×20144342196² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20144342196.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8477071 + ... + 8479446.

It is an arithmetic number, because the mean of its divisors is an integer number (1186956260).

Almost surely, 2^20144342196 is an apocalyptic number.

It is an amenable number.

20144342196 is an abundant number, since it is smaller than the sum of its proper divisors (36829558284).

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

20144342196 is a wasteful number, since it uses less digits than its factorization.

20144342196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16956541 (or 16956533 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 20144342196 its reverse (69124344102), we get a palindrome (89268686298).

The spelling of 20144342196 in words is "twenty billion, one hundred forty-four million, three hundred forty-two thousand, one hundred ninety-six".