20140302424 has 64 divisors (see below), whose sum is σ = 43863638400. Its totient is φ = 8567923200.

The previous prime is 20140302419. The next prime is 20140302433. The reversal of 20140302424 is 42420304102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20140302395 and 20140302404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230179 + ... + 305389.

It is an arithmetic number, because the mean of its divisors is an integer number (685369350).

Almost surely, 2^20140302424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20140302424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21931819200).

20140302424 is an abundant number, since it is smaller than the sum of its proper divisors (23723335976).

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

20140302424 is a wasteful number, since it uses less digits than its factorization.

20140302424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75424 (or 75420 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20140302424 its reverse (42420304102), we get a palindrome (62560606526).

The spelling of 20140302424 in words is "twenty billion, one hundred forty million, three hundred two thousand, four hundred twenty-four".