20075670405 has 96 divisors (see below), whose sum is σ = 41656343040. Its totient is φ = 8744947200.

The previous prime is 20075670383. The next prime is 20075670421. The reversal of 20075670405 is 50407657002.

It is not a de Polignac number, because 20075670405 - 2¹⁶ = 20075604869 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20075670405.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 1943755 + ... + 1954055.

It is an arithmetic number, because the mean of its divisors is an integer number (433920240).

Almost surely, 2^20075670405 is an apocalyptic number.

It is an amenable number.

20075670405 is an abundant number, since it is smaller than the sum of its proper divisors (21580672635).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20075670405 is a wasteful number, since it uses less digits than its factorization.

20075670405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611 (or 10608 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 20075670405 in words is "twenty billion, seventy-five million, six hundred seventy thousand, four hundred five".