20380025951 has 2 divisors, whose sum is σ = 20380025952. Its totient is φ = 20380025950.

The previous prime is 20380025929. The next prime is 20380026019. The reversal of 20380025951 is 15952008302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20380025951 - 2²⁶ = 20312917087 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20380025551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10190012975 + 10190012976.

It is an arithmetic number, because the mean of its divisors is an integer number (10190012976).

Almost surely, 2^20380025951 is an apocalyptic number.

20380025951 is a deficient number, since it is larger than the sum of its proper divisors (1).

20380025951 is an equidigital number, since it uses as much as digits as its factorization.

20380025951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 20380025951 in words is "twenty billion, three hundred eighty million, twenty-five thousand, nine hundred fifty-one".