20034170052403 has 4 divisors (see below), whose sum is σ = 21575260056448. Its totient is φ = 18493080048360.

The previous prime is 20034170052367. The next prime is 20034170052451. The reversal of 20034170052403 is 30425007143002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20034170052403 - 2¹⁷ = 20034169921331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20034170052203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770545002003 + ... + 770545002028.

It is an arithmetic number, because the mean of its divisors is an integer number (5393815014112).

Almost surely, 2^{20034170052403} is an apocalyptic number.

20034170052403 is a deficient number, since it is larger than the sum of its proper divisors (1541090004045).

20034170052403 is a wasteful number, since it uses less digits than its factorization.

20034170052403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541090004044.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 20034170052403 its reverse (30425007143002), we get a palindrome (50459177195405).

The spelling of 20034170052403 in words is "twenty trillion, thirty-four billion, one hundred seventy million, fifty-two thousand, four hundred three".