2920770293 has 18 divisors (see below), whose sum is σ = 3518880066. Its totient is φ = 2417155104.

The previous prime is 2920770287. The next prime is 2920770301. The reversal of 2920770293 is 3920770292.

It can be written as a sum of positive squares in 3 ways, for example, as 1410903844 + 1509866449 = 37562^2 + 38857^2 .

It is not a de Polignac number, because 2920770293 - 2⁸ = 2920770037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2920770293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2920770233) 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 17 ways as a sum of consecutive naturals, for example, 5771 + ... + 76647.

It is an arithmetic number, because the mean of its divisors is an integer number (195493337).

Almost surely, 2^2920770293 is an apocalyptic number.

It is an amenable number.

2920770293 is a deficient number, since it is larger than the sum of its proper divisors (598109773).

2920770293 is an equidigital number, since it uses as much as digits as its factorization.

2920770293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70949 (or 70913 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 2920770293 is about 54044.1513301856. The cubic root of 2920770293 is about 1429.4395725590.

Subtracting 2920770293 from its reverse (3920770292), we obtain a palindrome (999999999).

The spelling of 2920770293 in words is "two billion, nine hundred twenty million, seven hundred seventy thousand, two hundred ninety-three".