20140221430 has 32 divisors (see below), whose sum is σ = 41447208960. Its totient is φ = 6902569440.

The previous prime is 20140221383. The next prime is 20140221463. The reversal of 20140221430 is 3412204102.

It is a junction number, because it is equal to n+sod(n) for n = 20140221398 and 20140221407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133111 + ... + 240829.

It is an arithmetic number, because the mean of its divisors is an integer number (1295225280).

Almost surely, 2^20140221430 is an apocalyptic number.

20140221430 is an abundant number, since it is smaller than the sum of its proper divisors (21306987530).

20140221430 is a wasteful number, since it uses less digits than its factorization.

20140221430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110404.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20140221430 its reverse (3412204102), we get a palindrome (23552425532).

The spelling of 20140221430 in words is "twenty billion, one hundred forty million, two hundred twenty-one thousand, four hundred thirty".