20020102127 has 2 divisors, whose sum is σ = 20020102128. Its totient is φ = 20020102126.

The previous prime is 20020102061. The next prime is 20020102169. The reversal of 20020102127 is 72120102002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20020102127 - 2¹² = 20020098031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020102177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010051063 + 10010051064.

It is an arithmetic number, because the mean of its divisors is an integer number (10010051064).

Almost surely, 2^20020102127 is an apocalyptic number.

20020102127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020102127 is an equidigital number, since it uses as much as digits as its factorization.

20020102127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 20020102127 its reverse (72120102002), we get a palindrome (92140204129).

The spelling of 20020102127 in words is "twenty billion, twenty million, one hundred two thousand, one hundred twenty-seven".