20528143413 has 8 divisors (see below), whose sum is σ = 27388420800. Its totient is φ = 13676647488.

The previous prime is 20528143411. The next prime is 20528143421. The reversal of 20528143413 is 31434182502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20528143413 - 2¹ = 20528143411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20528143411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2189908 + ... + 2199261.

It is an arithmetic number, because the mean of its divisors is an integer number (3423552600).

Almost surely, 2^20528143413 is an apocalyptic number.

It is an amenable number.

20528143413 is a deficient number, since it is larger than the sum of its proper divisors (6860277387).

20528143413 is a wasteful number, since it uses less digits than its factorization.

20528143413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390731.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 20528143413 in words is "twenty billion, five hundred twenty-eight million, one hundred forty-three thousand, four hundred thirteen".