2720120286 has 16 divisors (see below), whose sum is σ = 5858720784. Its totient is φ = 836960064.

The previous prime is 2720120281. The next prime is 2720120303. The reversal of 2720120286 is 6820210272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720120281) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17436591 + ... + 17436746.

It is an arithmetic number, because the mean of its divisors is an integer number (366170049).

Almost surely, 2^2720120286 is an apocalyptic number.

2720120286 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2720120286 is an abundant number, since it is smaller than the sum of its proper divisors (3138600498).

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

2720120286 is a wasteful number, since it uses less digits than its factorization.

2720120286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34873355.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2720120286 is about 52154.7724182553. The cubic root of 2720120286 is about 1395.9269860390.

The spelling of 2720120286 in words is "two billion, seven hundred twenty million, one hundred twenty thousand, two hundred eighty-six".