80201340 has 120 divisors (see below), whose sum is σ = 259873152. Its totient is φ = 20684160.

The previous prime is 80201339. The next prime is 80201399. The reversal of 80201340 is 4310208.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49422 + ... + 51018.

Almost surely, 2^80201340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80201340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129936576).

80201340 is an abundant number, since it is smaller than the sum of its proper divisors (179671812).

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

80201340 is a wasteful number, since it uses less digits than its factorization.

80201340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 80201340 is about 8955.5200853998. The cubic root of 80201340 is about 431.2481134133.

Adding to 80201340 its reverse (4310208), we get a palindrome (84511548).

The spelling of 80201340 in words is "eighty million, two hundred one thousand, three hundred forty".