20210027 has 2 divisors, whose sum is σ = 20210028. Its totient is φ = 20210026.

The previous prime is 20210023. The next prime is 20210039. The reversal of 20210027 is 72001202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20210027 - 2² = 20210023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20209993 and 20210020.

It is not a weakly prime, because it can be changed into another prime (20210023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105013 + 10105014.

It is an arithmetic number, because the mean of its divisors is an integer number (10105014).

Almost surely, 2^20210027 is an apocalyptic number.

20210027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210027 is an equidigital number, since it uses as much as digits as its factorization.

20210027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 20210027 is about 4495.5563615642. The cubic root of 20210027 is about 272.3886232269.

Adding to 20210027 its reverse (72001202), we get a palindrome (92211229).

The spelling of 20210027 in words is "twenty million, two hundred ten thousand, twenty-seven".