600020087 has 2 divisors, whose sum is σ = 600020088. Its totient is φ = 600020086.

The previous prime is 600020051. The next prime is 600020101. The reversal of 600020087 is 780020006.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-600020087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (600020017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300010043 + 300010044.

It is an arithmetic number, because the mean of its divisors is an integer number (300010044).

Almost surely, 2^600020087 is an apocalyptic number.

600020087 is a deficient number, since it is larger than the sum of its proper divisors (1).

600020087 is an equidigital number, since it uses as much as digits as its factorization.

600020087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 600020087 is about 24495.3074485706. The cubic root of 600020087 is about 843.4420774367.

The spelling of 600020087 in words is "six hundred million, twenty thousand, eighty-seven".