2720205238 has 8 divisors (see below), whose sum is σ = 4080557232. Its totient is φ = 1360019496.

The previous prime is 2720205233. The next prime is 2720205247. The reversal of 2720205238 is 8325020272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720205233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14431 + ... + 75157.

It is an arithmetic number, because the mean of its divisors is an integer number (510069654).

Almost surely, 2^2720205238 is an apocalyptic number.

2720205238 is a deficient number, since it is larger than the sum of its proper divisors (1360351994).

2720205238 is a wasteful number, since it uses less digits than its factorization.

2720205238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83126.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2720205238 is about 52155.5868340104. The cubic root of 2720205238 is about 1395.9415179399.

The spelling of 2720205238 in words is "two billion, seven hundred twenty million, two hundred five thousand, two hundred thirty-eight".