20301223087 has 2 divisors, whose sum is σ = 20301223088. Its totient is φ = 20301223086.

The previous prime is 20301223039. The next prime is 20301223123. The reversal of 20301223087 is 78032210302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20301223087 - 2²³ = 20292834479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20301223027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150611543 + 10150611544.

It is an arithmetic number, because the mean of its divisors is an integer number (10150611544).

Almost surely, 2^20301223087 is an apocalyptic number.

20301223087 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301223087 is an equidigital number, since it uses as much as digits as its factorization.

20301223087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 20301223087 its reverse (78032210302), we get a palindrome (98333433389).

The spelling of 20301223087 in words is "twenty billion, three hundred one million, two hundred twenty-three thousand, eighty-seven".