20043166354525 has 12 divisors (see below), whose sum is σ = 25274772489600. Its totient is φ = 15762761335280.

The previous prime is 20043166354487. The next prime is 20043166354567. The reversal of 20043166354525 is 52545366134002.

It is not a de Polignac number, because 20043166354525 - 2¹⁵ = 20043166321757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6794292205 + ... + 6794295154.

It is an arithmetic number, because the mean of its divisors is an integer number (2106231040800).

Almost surely, 2^{20043166354525} is an apocalyptic number.

20043166354525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20043166354525 is a deficient number, since it is larger than the sum of its proper divisors (5231606135075).

20043166354525 is a wasteful number, since it uses less digits than its factorization.

20043166354525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13588587428 (or 13588587423 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 20043166354525 in words is "twenty trillion, forty-three billion, one hundred sixty-six million, three hundred fifty-four thousand, five hundred twenty-five".