101717620620 has 384 divisors, whose sum is σ = 377240371200. Its totient is φ = 19838131200.

The previous prime is 101717620619. The next prime is 101717620691. The reversal of 101717620620 is 26026717101.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9562705 + ... + 9573335.

It is an arithmetic number, because the mean of its divisors is an integer number (982396800).

Almost surely, 2^101717620620 is an apocalyptic number.

101717620620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101717620620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188620185600).

101717620620 is an abundant number, since it is smaller than the sum of its proper divisors (275522750580).

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

101717620620 is a wasteful number, since it uses less digits than its factorization.

101717620620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10789 (or 10787 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The spelling of 101717620620 in words is "one hundred one billion, seven hundred seventeen million, six hundred twenty thousand, six hundred twenty".