2720216252 has 12 divisors (see below), whose sum is σ = 5126561496. Its totient is φ = 1255484400.

The previous prime is 2720216237. The next prime is 2720216287. The reversal of 2720216252 is 2526120272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26155874 + ... + 26155977.

It is an arithmetic number, because the mean of its divisors is an integer number (427213458).

Almost surely, 2^2720216252 is an apocalyptic number.

It is an amenable number.

2720216252 is a deficient number, since it is larger than the sum of its proper divisors (2406345244).

2720216252 is a wasteful number, since it uses less digits than its factorization.

2720216252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52311868 (or 52311866 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2720216252 is about 52155.6924218249. The cubic root of 2720216252 is about 1395.9434019741.

The spelling of 2720216252 in words is "two billion, seven hundred twenty million, two hundred sixteen thousand, two hundred fifty-two".