20715348606 has 64 divisors (see below), whose sum is σ = 44845747200. Its totient is φ = 6354329600.

The previous prime is 20715348547. The next prime is 20715348607. The reversal of 20715348606 is 60684351702.

It is a super-2 number, since 2×20715348606² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20715348607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7673845 + ... + 7676543.

It is an arithmetic number, because the mean of its divisors is an integer number (700714800).

Almost surely, 2^20715348606 is an apocalyptic number.

20715348606 is an abundant number, since it is smaller than the sum of its proper divisors (24130398594).

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

20715348606 is a wasteful number, since it uses less digits than its factorization.

20715348606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 20715348606 in words is "twenty billion, seven hundred fifteen million, three hundred forty-eight thousand, six hundred six".