20417113860 has 192 divisors, whose sum is σ = 70697733120. Its totient is φ = 4328363520.

The previous prime is 20417113817. The next prime is 20417113897. The reversal of 20417113860 is 6831171402.

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 63 ways as a sum of consecutive naturals, for example, 100399 + ... + 225641.

It is an arithmetic number, because the mean of its divisors is an integer number (368217360).

Almost surely, 2^20417113860 is an apocalyptic number.

20417113860 is a gapful number since it is divisible by the number (20) 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 20417113860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35348866560).

20417113860 is an abundant number, since it is smaller than the sum of its proper divisors (50280619260).

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

20417113860 is a wasteful number, since it uses less digits than its factorization.

20417113860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125298 (or 125296 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 20417113860 in words is "twenty billion, four hundred seventeen million, one hundred thirteen thousand, eight hundred sixty".