20522953292741 has 2 divisors, whose sum is σ = 20522953292742. Its totient is φ = 20522953292740.

The previous prime is 20522953292657. The next prime is 20522953292813. The reversal of 20522953292741 is 14729235922502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16370035080100 + 4152918212641 = 4045990^2 + 2037871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20522953292741 is a prime.

It is a super-2 number, since 2×20522953292741² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20522953252741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261476646370 + 10261476646371.

It is an arithmetic number, because the mean of its divisors is an integer number (10261476646371).

Almost surely, 2^{20522953292741} is an apocalyptic number.

It is an amenable number.

20522953292741 is a deficient number, since it is larger than the sum of its proper divisors (1).

20522953292741 is an equidigital number, since it uses as much as digits as its factorization.

20522953292741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 20522953292741 in words is "twenty trillion, five hundred twenty-two billion, nine hundred fifty-three million, two hundred ninety-two thousand, seven hundred forty-one".