20031002227 has 2 divisors, whose sum is σ = 20031002228. Its totient is φ = 20031002226.

The previous prime is 20031002221. The next prime is 20031002237. The reversal of 20031002227 is 72220013002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20031002227 is a prime.

It is not a weakly prime, because it can be changed into another prime (20031002221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015501113 + 10015501114.

It is an arithmetic number, because the mean of its divisors is an integer number (10015501114).

Almost surely, 2^20031002227 is an apocalyptic number.

20031002227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20031002227 is an equidigital number, since it uses as much as digits as its factorization.

20031002227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

Adding to 20031002227 its reverse (72220013002), we get a palindrome (92251015229).

The spelling of 20031002227 in words is "twenty billion, thirty-one million, two thousand, two hundred twenty-seven".