20712859110 has 320 divisors, whose sum is σ = 59012997120. Its totient is φ = 5208053760.

The previous prime is 20712859091. The next prime is 20712859127. The reversal of 20712859110 is 1195821702.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 213534582 + ... + 213534678.

It is an arithmetic number, because the mean of its divisors is an integer number (184415616).

Almost surely, 2^20712859110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20712859110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29506498560).

20712859110 is an abundant number, since it is smaller than the sum of its proper divisors (38300138010).

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

20712859110 is a wasteful number, since it uses less digits than its factorization.

20712859110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The spelling of 20712859110 in words is "twenty billion, seven hundred twelve million, eight hundred fifty-nine thousand, one hundred ten".