20601606413 has 8 divisors (see below), whose sum is σ = 20795755968. Its totient is φ = 20407664704.

The previous prime is 20601606353. The next prime is 20601606439. The reversal of 20601606413 is 31460610602.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20601606413 - 2¹⁰ = 20601605389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20601606313) 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, 150920 + ... + 252942.

It is an arithmetic number, because the mean of its divisors is an integer number (2599469496).

Almost surely, 2^20601606413 is an apocalyptic number.

It is an amenable number.

20601606413 is a deficient number, since it is larger than the sum of its proper divisors (194149555).

20601606413 is a wasteful number, since it uses less digits than its factorization.

20601606413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103923.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 20601606413 in words is "twenty billion, six hundred one million, six hundred six thousand, four hundred thirteen".