20299063511 has 2 divisors, whose sum is σ = 20299063512. Its totient is φ = 20299063510.

The previous prime is 20299063501. The next prime is 20299063523. The reversal of 20299063511 is 11536099202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20299063511 is a prime.

It is a super-2 number, since 2×20299063511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20299063501) 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, 10149531755 + 10149531756.

It is an arithmetic number, because the mean of its divisors is an integer number (10149531756).

Almost surely, 2^20299063511 is an apocalyptic number.

20299063511 is a deficient number, since it is larger than the sum of its proper divisors (1).

20299063511 is an equidigital number, since it uses as much as digits as its factorization.

20299063511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 20299063511 in words is "twenty billion, two hundred ninety-nine million, sixty-three thousand, five hundred eleven".