20545127676 has 36 divisors (see below), whose sum is σ = 51947047152. Its totient is φ = 6846591744.

The previous prime is 20545127651. The next prime is 20545127717. The reversal of 20545127676 is 67672154502.

20545127676 is a `hidden beast` number, since 20 + 54 + 512 + 7 + 67 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 69580 + ... + 214316.

It is an arithmetic number, because the mean of its divisors is an integer number (1442973532).

Almost surely, 2^20545127676 is an apocalyptic number.

It is an amenable number.

20545127676 is an abundant number, since it is smaller than the sum of its proper divisors (31401919476).

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

20545127676 is a wasteful number, since it uses less digits than its factorization.

20545127676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148690 (or 148685 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 20545127676 in words is "twenty billion, five hundred forty-five million, one hundred twenty-seven thousand, six hundred seventy-six".