20234087 has 2 divisors, whose sum is σ = 20234088. Its totient is φ = 20234086.

The previous prime is 20234057. The next prime is 20234101. The reversal of 20234087 is 78043202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20234087 - 2⁶ = 20234023 is a prime.

It is a Chen prime.

It is equal to p_1284506 and since 20234087 and 1284506 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20234047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10117043 + 10117044.

It is an arithmetic number, because the mean of its divisors is an integer number (10117044).

Almost surely, 2^20234087 is an apocalyptic number.

20234087 is a deficient number, since it is larger than the sum of its proper divisors (1).

20234087 is an equidigital number, since it uses as much as digits as its factorization.

20234087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 20234087 is about 4498.2315413949. The cubic root of 20234087 is about 272.4966730789.

Adding to 20234087 its reverse (78043202), we get a palindrome (98277289).

The spelling of 20234087 in words is "twenty million, two hundred thirty-four thousand, eighty-seven".