20474270227 has 4 divisors (see below), whose sum is σ = 20497458280. Its totient is φ = 20451082176.

The previous prime is 20474270191. The next prime is 20474270279. The reversal of 20474270227 is 72207247402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72207247402 = 2 ⋅36103623701.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20474270227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20474270027) 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, 11592702 + ... + 11594467.

It is an arithmetic number, because the mean of its divisors is an integer number (5124364570).

Almost surely, 2^20474270227 is an apocalyptic number.

20474270227 is a deficient number, since it is larger than the sum of its proper divisors (23188053).

20474270227 is an equidigital number, since it uses as much as digits as its factorization.

20474270227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23188052.

The product of its (nonzero) digits is 87808, while the sum is 37.

The spelling of 20474270227 in words is "twenty billion, four hundred seventy-four million, two hundred seventy thousand, two hundred twenty-seven".