17420212140 has 96 divisors (see below), whose sum is σ = 49289338560. Its totient is φ = 4596673536.

The previous prime is 17420212133. The next prime is 17420212223. The reversal of 17420212140 is 4121202471.

It is a self number, because there is not a number n which added to its sum of digits gives 17420212140.

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 31 ways as a sum of consecutive naturals, for example, 7147002 + ... + 7149438.

It is an arithmetic number, because the mean of its divisors is an integer number (513430610).

Almost surely, 2^17420212140 is an apocalyptic number.

17420212140 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 17420212140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24644669280).

17420212140 is an abundant number, since it is smaller than the sum of its proper divisors (31869126420).

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

17420212140 is a wasteful number, since it uses less digits than its factorization.

17420212140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651 (or 3649 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The spelling of 17420212140 in words is "seventeen billion, four hundred twenty million, two hundred twelve thousand, one hundred forty".