20720363711 has 2 divisors, whose sum is σ = 20720363712. Its totient is φ = 20720363710.

The previous prime is 20720363701. The next prime is 20720363743. The reversal of 20720363711 is 11736302702.

It is an a-pointer prime, because the next prime (20720363743) can be obtained adding 20720363711 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20720363711 - 2¹⁴ = 20720347327 is a prime.

It is a super-2 number, since 2×20720363711² (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 (20720363701) 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, 10360181855 + 10360181856.

It is an arithmetic number, because the mean of its divisors is an integer number (10360181856).

Almost surely, 2^20720363711 is an apocalyptic number.

20720363711 is a deficient number, since it is larger than the sum of its proper divisors (1).

20720363711 is an equidigital number, since it uses as much as digits as its factorization.

20720363711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 32.

The spelling of 20720363711 in words is "twenty billion, seven hundred twenty million, three hundred sixty-three thousand, seven hundred eleven".