2060245721 has 4 divisors (see below), whose sum is σ = 2095165200. Its totient is φ = 2025326244.

The previous prime is 2060245717. The next prime is 2060245727. The reversal of 2060245721 is 1275420602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2060245721 - 2² = 2060245717 is a prime.

It is a super-2 number, since 2×2060245721² = 8489224861797619682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2060245727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17459651 + ... + 17459768.

It is an arithmetic number, because the mean of its divisors is an integer number (523791300).

Almost surely, 2^2060245721 is an apocalyptic number.

It is an amenable number.

2060245721 is a deficient number, since it is larger than the sum of its proper divisors (34919479).

2060245721 is an equidigital number, since it uses as much as digits as its factorization.

2060245721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34919478.

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

The square root of 2060245721 is about 45389.9297311639. The cubic root of 2060245721 is about 1272.4469163941.

The spelling of 2060245721 in words is "two billion, sixty million, two hundred forty-five thousand, seven hundred twenty-one".