20276089 has 2 divisors, whose sum is σ = 20276090. Its totient is φ = 20276088.

The previous prime is 20276083. The next prime is 20276107. The reversal of 20276089 is 98067202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15077689 + 5198400 = 3883^2 + 2280^2 .

It is a cyclic number.

It is not a de Polignac number, because 20276089 - 2⁵ = 20276057 is a prime.

It is a super-2 number, since 2×20276089² = 822239570271842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20276083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10138044 + 10138045.

It is an arithmetic number, because the mean of its divisors is an integer number (10138045).

Almost surely, 2^20276089 is an apocalyptic number.

It is an amenable number.

20276089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20276089 is an equidigital number, since it uses as much as digits as its factorization.

20276089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 20276089 is about 4502.8978447218. The cubic root of 20276089 is about 272.6850926653.

The spelling of 20276089 in words is "twenty million, two hundred seventy-six thousand, eighty-nine".