20577524106116 has 12 divisors (see below), whose sum is σ = 36601005992460. Its totient is φ = 10120093822560.

The previous prime is 20577524106101. The next prime is 20577524106119. The reversal of 20577524106116 is 61160142577502.

It can be written as a sum of positive squares in 2 ways, for example, as 263086926400 + 20314437179716 = 512920^2 + 4507154^2 .

It is not an unprimeable number, because it can be changed into a prime (20577524106119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42167057351 + ... + 42167057838.

It is an arithmetic number, because the mean of its divisors is an integer number (3050083832705).

Almost surely, 2^{20577524106116} is an apocalyptic number.

It is an amenable number.

20577524106116 is a deficient number, since it is larger than the sum of its proper divisors (16023481886344).

20577524106116 is a wasteful number, since it uses less digits than its factorization.

20577524106116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84334115254 (or 84334115252 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 20577524106116 in words is "twenty trillion, five hundred seventy-seven billion, five hundred twenty-four million, one hundred six thousand, one hundred sixteen".