20403342254474 has 8 divisors (see below), whose sum is σ = 30605718712800. Its totient is φ = 10201436016876.

The previous prime is 20403342254437. The next prime is 20403342254479. The reversal of 20403342254474 is 47445224330402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20403342254479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117446684 + ... + 117620279.

It is an arithmetic number, because the mean of its divisors is an integer number (3825714839100).

Almost surely, 2^{20403342254474} is an apocalyptic number.

20403342254474 is a deficient number, since it is larger than the sum of its proper divisors (10202376458326).

20403342254474 is a wasteful number, since it uses less digits than its factorization.

20403342254474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235110364.

The product of its (nonzero) digits is 2580480, while the sum is 44.

Adding to 20403342254474 its reverse (47445224330402), we get a palindrome (67848566584876).

The spelling of 20403342254474 in words is "twenty trillion, four hundred three billion, three hundred forty-two million, two hundred fifty-four thousand, four hundred seventy-four".