20601516272577 has 8 divisors (see below), whose sum is σ = 27480891254880. Its totient is φ = 13728242736000.

The previous prime is 20601516272569. The next prime is 20601516272611. The reversal of 20601516272577 is 77527261510602.

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

It is not a de Polignac number, because 20601516272577 - 2³ = 20601516272569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20601516272507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1525353552 + ... + 1525367057.

It is an arithmetic number, because the mean of its divisors is an integer number (3435111406860).

Almost surely, 2^{20601516272577} is an apocalyptic number.

It is an amenable number.

20601516272577 is a deficient number, since it is larger than the sum of its proper divisors (6879374982303).

20601516272577 is a wasteful number, since it uses less digits than its factorization.

20601516272577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050722863.

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 20601516272577 in words is "twenty trillion, six hundred one billion, five hundred sixteen million, two hundred seventy-two thousand, five hundred seventy-seven".