2720152780 has 48 divisors (see below), whose sum is σ = 5762211840. Its totient is φ = 1078596288.

The previous prime is 2720152769. The next prime is 2720152793. The reversal of 2720152780 is 872510272.

It is a super-2 number, since 2×2720152780² = 14798462293083456800, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1545541 + ... + 1547299.

It is an arithmetic number, because the mean of its divisors is an integer number (120046080).

Almost surely, 2^2720152780 is an apocalyptic number.

2720152780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2720152780 is an abundant number, since it is smaller than the sum of its proper divisors (3042059060).

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

2720152780 is a wasteful number, since it uses less digits than its factorization.

2720152780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 2720152780 is about 52155.0839324413. The cubic root of 2720152780 is about 1395.9325445029.

The spelling of 2720152780 in words is "two billion, seven hundred twenty million, one hundred fifty-two thousand, seven hundred eighty".