20404124214 has 16 divisors (see below), whose sum is σ = 40855765440. Its totient is φ = 6793455240.

The previous prime is 20404124203. The next prime is 20404124269. The reversal of 20404124214 is 41242140402.

It is a super-2 number, since 2×20404124214² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1974292 + ... + 1984599.

It is an arithmetic number, because the mean of its divisors is an integer number (2553485340).

Almost surely, 2^20404124214 is an apocalyptic number.

20404124214 is an abundant number, since it is smaller than the sum of its proper divisors (20451641226).

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

20404124214 is a wasteful number, since it uses less digits than its factorization.

20404124214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959755.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20404124214 its reverse (41242140402), we get a palindrome (61646264616).

The spelling of 20404124214 in words is "twenty billion, four hundred four million, one hundred twenty-four thousand, two hundred fourteen".