20111983627 has 2 divisors, whose sum is σ = 20111983628. Its totient is φ = 20111983626.

The previous prime is 20111983613. The next prime is 20111983643. The reversal of 20111983627 is 72638911102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20111983627 - 2¹¹ = 20111981579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20111983627.

It is not a weakly prime, because it can be changed into another prime (20111983657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055991813 + 10055991814.

It is an arithmetic number, because the mean of its divisors is an integer number (10055991814).

Almost surely, 2^20111983627 is an apocalyptic number.

20111983627 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111983627 is an equidigital number, since it uses as much as digits as its factorization.

20111983627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 20111983627 in words is "twenty billion, one hundred eleven million, nine hundred eighty-three thousand, six hundred twenty-seven".