20431204403414 has 32 divisors (see below), whose sum is σ = 37085654946816. Its totient is φ = 8241059502720.

The previous prime is 20431204403347. The next prime is 20431204403501. The reversal of 20431204403414 is 41430440213402.

It is a super-2 number, since 2×20431204403414² (a number of 27 digits) contains 22 as substring.

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, 21383507 + ... + 22318529.

It is an arithmetic number, because the mean of its divisors is an integer number (1158926717088).

Almost surely, 2^{20431204403414} is an apocalyptic number.

20431204403414 is a deficient number, since it is larger than the sum of its proper divisors (16654450543402).

20431204403414 is a wasteful number, since it uses less digits than its factorization.

20431204403414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026860.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 20431204403414 its reverse (41430440213402), we get a palindrome (61861644616816).

The spelling of 20431204403414 in words is "twenty trillion, four hundred thirty-one billion, two hundred four million, four hundred three thousand, four hundred fourteen".