130020019951 has 2 divisors, whose sum is σ = 130020019952. Its totient is φ = 130020019950.

The previous prime is 130020019937. The next prime is 130020020051. The reversal of 130020019951 is 159910020031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130020019951 - 2¹⁷ = 130019888879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130020019351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65010009975 + 65010009976.

It is an arithmetic number, because the mean of its divisors is an integer number (65010009976).

Almost surely, 2^130020019951 is an apocalyptic number.

130020019951 is a deficient number, since it is larger than the sum of its proper divisors (1).

130020019951 is an equidigital number, since it uses as much as digits as its factorization.

130020019951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 31.

Adding to 130020019951 its reverse (159910020031), we get a palindrome (289930039982).

The spelling of 130020019951 in words is "one hundred thirty billion, twenty million, nineteen thousand, nine hundred fifty-one".