20514566220453 has 24 divisors (see below), whose sum is σ = 29706974246976. Its totient is φ = 13641845904000.

The previous prime is 20514566220431. The next prime is 20514566220461. The reversal of 20514566220453 is 35402266541502.

20514566220453 is a `hidden beast` number, since 2 + 0 + 5 + 14 + 5 + 6 + 622 + 0 + 4 + 5 + 3 = 666.

It is not a de Polignac number, because 20514566220453 - 2⁹ = 20514566219941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20514566220399 and 20514566220408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514566320453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151318968 + ... + 151454478.

It is an arithmetic number, because the mean of its divisors is an integer number (1237790593624).

Almost surely, 2^{20514566220453} is an apocalyptic number.

It is an amenable number.

20514566220453 is a deficient number, since it is larger than the sum of its proper divisors (9192408026523).

20514566220453 is a wasteful number, since it uses less digits than its factorization.

20514566220453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177865 (or 177862 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 20514566220453 in words is "twenty trillion, five hundred fourteen billion, five hundred sixty-six million, two hundred twenty thousand, four hundred fifty-three".