20344430124 has 30 divisors (see below), whose sum is σ = 53184359844. Its totient is φ = 6781476600.

The previous prime is 20344430123. The next prime is 20344430149. The reversal of 20344430124 is 42103444302.

It is a happy number.

20344430124 is a `hidden beast` number, since 203 + 4 + 4 + 430 + 1 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20344430123) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31395402 + ... + 31396049.

Almost surely, 2^20344430124 is an apocalyptic number.

It is an amenable number.

20344430124 is an abundant number, since it is smaller than the sum of its proper divisors (32839929720).

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

20344430124 is a wasteful number, since it uses less digits than its factorization.

20344430124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62791467 (or 62791456 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20344430124 its reverse (42103444302), we get a palindrome (62447874426).

The spelling of 20344430124 in words is "twenty billion, three hundred forty-four million, four hundred thirty thousand, one hundred twenty-four".