20425354431214 has 4 divisors (see below), whose sum is σ = 30638031646824. Its totient is φ = 10212677215606.

The previous prime is 20425354431191. The next prime is 20425354431221. The reversal of 20425354431214 is 41213445352402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106338607802 + ... + 5106338607805.

It is an arithmetic number, because the mean of its divisors is an integer number (7659507911706).

Almost surely, 2^{20425354431214} is an apocalyptic number.

20425354431214 is a deficient number, since it is larger than the sum of its proper divisors (10212677215610).

20425354431214 is a wasteful number, since it uses less digits than its factorization.

20425354431214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212677215609.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 20425354431214 its reverse (41213445352402), we get a palindrome (61638799783616).

The spelling of 20425354431214 in words is "twenty trillion, four hundred twenty-five billion, three hundred fifty-four million, four hundred thirty-one thousand, two hundred fourteen".