20545725035 has 8 divisors (see below), whose sum is σ = 26896221936. Its totient is φ = 14942345440.

The previous prime is 20545725029. The next prime is 20545725061. The reversal of 20545725035 is 53052754502.

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

It is not a de Polignac number, because 20545725035 - 2³⁰ = 19471983211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20545725035.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186779264 + ... + 186779373.

It is an arithmetic number, because the mean of its divisors is an integer number (3362027742).

Almost surely, 2^20545725035 is an apocalyptic number.

20545725035 is a deficient number, since it is larger than the sum of its proper divisors (6350496901).

20545725035 is a wasteful number, since it uses less digits than its factorization.

20545725035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373558653.

The product of its (nonzero) digits is 210000, while the sum is 38.

The spelling of 20545725035 in words is "twenty billion, five hundred forty-five million, seven hundred twenty-five thousand, thirty-five".