2720505071420 has 24 divisors (see below), whose sum is σ = 5716254163200. Its totient is φ = 1087593740352.

The previous prime is 2720505071399. The next prime is 2720505071467. The reversal of 2720505071420 is 241705050272.

It is a super-2 number, since 2×2720505071420² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37981340 + ... + 38052899.

It is an arithmetic number, because the mean of its divisors is an integer number (238177256800).

Almost surely, 2^{2720505071420} is an apocalyptic number.

2720505071420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2720505071420 is an abundant number, since it is smaller than the sum of its proper divisors (2995749091780).

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

2720505071420 is a wasteful number, since it uses less digits than its factorization.

2720505071420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76036037 (or 76036035 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 35.

The spelling of 2720505071420 in words is "two trillion, seven hundred twenty billion, five hundred five million, seventy-one thousand, four hundred twenty".