20522953292711 has 4 divisors (see below), whose sum is σ = 20546354608632. Its totient is φ = 20499551976792.

The previous prime is 20522953292657. The next prime is 20522953292741. The reversal of 20522953292711 is 11729235922502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20522953292711 is a prime.

It is a super-2 number, since 2×20522953292711² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20522953292711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522953292741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11700656645 + ... + 11700658398.

It is an arithmetic number, because the mean of its divisors is an integer number (5136588652158).

Almost surely, 2^{20522953292711} is an apocalyptic number.

20522953292711 is a deficient number, since it is larger than the sum of its proper divisors (23401315921).

20522953292711 is an equidigital number, since it uses as much as digits as its factorization.

20522953292711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23401315920.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 20522953292711 in words is "twenty trillion, five hundred twenty-two billion, nine hundred fifty-three million, two hundred ninety-two thousand, seven hundred eleven".