20461214227 has 2 divisors, whose sum is σ = 20461214228. Its totient is φ = 20461214226.

The previous prime is 20461214143. The next prime is 20461214231. The reversal of 20461214227 is 72241216402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20461214227 - 2⁷ = 20461214099 is a prime.

It is a super-2 number, since 2×20461214227² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20461214237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10230607113 + 10230607114.

It is an arithmetic number, because the mean of its divisors is an integer number (10230607114).

Almost surely, 2^20461214227 is an apocalyptic number.

20461214227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20461214227 is an equidigital number, since it uses as much as digits as its factorization.

20461214227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 20461214227 in words is "twenty billion, four hundred sixty-one million, two hundred fourteen thousand, two hundred twenty-seven".