2030640655 has 8 divisors (see below), whose sum is σ = 2442103632. Its totient is φ = 1620955968.

The previous prime is 2030640649. The next prime is 2030640659. The reversal of 2030640655 is 5560460302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2030640655 - 2¹¹ = 2030638607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030640659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442057 + ... + 446626.

It is an arithmetic number, because the mean of its divisors is an integer number (305262954).

Almost surely, 2^2030640655 is an apocalyptic number.

2030640655 is a deficient number, since it is larger than the sum of its proper divisors (411462977).

2030640655 is an equidigital number, since it uses as much as digits as its factorization.

2030640655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889145.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2030640655 is about 45062.6303604217. The cubic root of 2030640655 is about 1266.3226034192.

The spelling of 2030640655 in words is "two billion, thirty million, six hundred forty thousand, six hundred fifty-five".