20453514665066 has 24 divisors (see below), whose sum is σ = 35723845347300. Its totient is φ = 8757306194112.

The previous prime is 20453514665033. The next prime is 20453514665083. The reversal of 20453514665066 is 66056641535402.

It can be written as a sum of positive squares in 2 ways, for example, as 17751012108025 + 2702502557041 = 4213195^2 + 1643929^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20453514664999 and 20453514665017.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 100919741 + ... + 101122208.

Almost surely, 2^{20453514665066} is an apocalyptic number.

20453514665066 is a deficient number, since it is larger than the sum of its proper divisors (15270330682234).

20453514665066 is a wasteful number, since it uses less digits than its factorization.

20453514665066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202042998 (or 202042991 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 20453514665066 in words is "twenty trillion, four hundred fifty-three billion, five hundred fourteen million, six hundred sixty-five thousand, sixty-six".