20605450176 has 42 divisors (see below), whose sum is σ = 59061804152. Its totient is φ = 6868483200.

The previous prime is 20605450141. The next prime is 20605450189. The reversal of 20605450176 is 67105450602.

It is a happy number.

20605450176 is a `hidden beast` number, since 2 + 0 + 605 + 45 + 0 + 1 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20605450176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17886100 + ... + 17887251.

Almost surely, 2^20605450176 is an apocalyptic number.

It is an amenable number.

20605450176 is an abundant number, since it is smaller than the sum of its proper divisors (38456353976).

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

20605450176 is a wasteful number, since it uses less digits than its factorization.

20605450176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35773369 (or 35773356 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 20605450176 in words is "twenty billion, six hundred five million, four hundred fifty thousand, one hundred seventy-six".