20025023387 has 2 divisors, whose sum is σ = 20025023388. Its totient is φ = 20025023386.

The previous prime is 20025023377. The next prime is 20025023437. The reversal of 20025023387 is 78332052002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20025023387 - 2⁴ = 20025023371 is a prime.

It is not a weakly prime, because it can be changed into another prime (20025023377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10012511693 + 10012511694.

It is an arithmetic number, because the mean of its divisors is an integer number (10012511694).

Almost surely, 2^20025023387 is an apocalyptic number.

20025023387 is a deficient number, since it is larger than the sum of its proper divisors (1).

20025023387 is an equidigital number, since it uses as much as digits as its factorization.

20025023387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 20025023387 its reverse (78332052002), we get a palindrome (98357075389).

The spelling of 20025023387 in words is "twenty billion, twenty-five million, twenty-three thousand, three hundred eighty-seven".