20948616601 has 16 divisors (see below), whose sum is σ = 23292567360. Its totient is φ = 18678179520.

The previous prime is 20948616569. The next prime is 20948616613. The reversal of 20948616601 is 10661684902.

It is not a de Polignac number, because 20948616601 - 2⁵ = 20948616569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20948616631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2381830 + ... + 2390608.

It is an arithmetic number, because the mean of its divisors is an integer number (1455785460).

Almost surely, 2^20948616601 is an apocalyptic number.

It is an amenable number.

20948616601 is a deficient number, since it is larger than the sum of its proper divisors (2343950759).

20948616601 is a wasteful number, since it uses less digits than its factorization.

20948616601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12936.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 20948616601 in words is "twenty billion, nine hundred forty-eight million, six hundred sixteen thousand, six hundred one".