20710579086 has 48 divisors (see below), whose sum is σ = 47526068304. Its totient is φ = 6495581952.

The previous prime is 20710579081. The next prime is 20710579111. The reversal of 20710579086 is 68097501702.

20710579086 is a `hidden beast` number, since 2 + 0 + 71 + 0 + 579 + 0 + 8 + 6 = 666.

20710579086 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20710579081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1399321 + ... + 1414043.

It is an arithmetic number, because the mean of its divisors is an integer number (990126423).

Almost surely, 2^20710579086 is an apocalyptic number.

20710579086 is an abundant number, since it is smaller than the sum of its proper divisors (26815489218).

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

20710579086 is a wasteful number, since it uses less digits than its factorization.

20710579086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19345 (or 19342 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 20710579086 in words is "twenty billion, seven hundred ten million, five hundred seventy-nine thousand, eighty-six".