20574169103 has 4 divisors (see below), whose sum is σ = 21283623240. Its totient is φ = 19864714968.

The previous prime is 20574169081. The next prime is 20574169127. The reversal of 20574169103 is 30196147502.

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 20574169103 - 2⁸ = 20574168847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20574165103) 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, 354727025 + ... + 354727082.

It is an arithmetic number, because the mean of its divisors is an integer number (5320905810).

Almost surely, 2^20574169103 is an apocalyptic number.

20574169103 is a deficient number, since it is larger than the sum of its proper divisors (709454137).

20574169103 is an equidigital number, since it uses as much as digits as its factorization.

20574169103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709454136.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 20574169103 in words is "twenty billion, five hundred seventy-four million, one hundred sixty-nine thousand, one hundred three".