20453016105434 has 24 divisors (see below), whose sum is σ = 33948444618900. Its totient is φ = 9234430684160.

The previous prime is 20453016105407. The next prime is 20453016105439. The reversal of 20453016105434 is 43450161035402.

It can be written as a sum of positive squares in 2 ways, for example, as 20416074112225 + 36941993209 = 4518415^2 + 192203^2 .

It is not an unprimeable number, because it can be changed into a prime (20453016105439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283576679 + ... + 283648794.

Almost surely, 2^{20453016105434} is an apocalyptic number.

20453016105434 is a deficient number, since it is larger than the sum of its proper divisors (13495428513466).

20453016105434 is a wasteful number, since it uses less digits than its factorization.

20453016105434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567225646 (or 567225635 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 20453016105434 in words is "twenty trillion, four hundred fifty-three billion, sixteen million, one hundred five thousand, four hundred thirty-four".