20022053101549 has 2 divisors, whose sum is σ = 20022053101550. Its totient is φ = 20022053101548.

The previous prime is 20022053101439. The next prime is 20022053101591. The reversal of 20022053101549 is 94510135022002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17812772188324 + 2209280913225 = 4220518^2 + 1486365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022053101549 is a prime.

It is a super-2 number, since 2×20022053101549² (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 (20022053101649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011026550774 + 10011026550775.

It is an arithmetic number, because the mean of its divisors is an integer number (10011026550775).

Almost surely, 2^{20022053101549} is an apocalyptic number.

It is an amenable number.

20022053101549 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022053101549 is an equidigital number, since it uses as much as digits as its factorization.

20022053101549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 20022053101549 in words is "twenty trillion, twenty-two billion, fifty-three million, one hundred one thousand, five hundred forty-nine".