20010855847453 has 2 divisors, whose sum is σ = 20010855847454. Its totient is φ = 20010855847452.

The previous prime is 20010855847447. The next prime is 20010855847459. The reversal of 20010855847453 is 35474855801002.

It is a balanced prime because it is at equal distance from previous prime (20010855847447) and next prime (20010855847459).

It can be written as a sum of positive squares in only one way, i.e., 16412561742564 + 3598294104889 = 4051242^2 + 1896917^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010855847453 - 2⁵ = 20010855847421 is a prime.

It is a super-3 number, since 3×20010855847453³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20010855847453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010855847459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005427923726 + 10005427923727.

It is an arithmetic number, because the mean of its divisors is an integer number (10005427923727).

Almost surely, 2^{20010855847453} is an apocalyptic number.

It is an amenable number.

20010855847453 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010855847453 is an equidigital number, since it uses as much as digits as its factorization.

20010855847453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376000, while the sum is 52.

The spelling of 20010855847453 in words is "twenty trillion, ten billion, eight hundred fifty-five million, eight hundred forty-seven thousand, four hundred fifty-three".