20000299951 has 2 divisors, whose sum is σ = 20000299952. Its totient is φ = 20000299950.

The previous prime is 20000299933. The next prime is 20000300009. The reversal of 20000299951 is 15999200002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000299951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20000299951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000299931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000149975 + 10000149976.

It is an arithmetic number, because the mean of its divisors is an integer number (10000149976).

Almost surely, 2^20000299951 is an apocalyptic number.

20000299951 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000299951 is an equidigital number, since it uses as much as digits as its factorization.

20000299951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 37.

Adding to 20000299951 its reverse (15999200002), we get a palindrome (35999499953).

The spelling of 20000299951 in words is "twenty billion, two hundred ninety-nine thousand, nine hundred fifty-one".