2054312220 has 48 divisors (see below), whose sum is σ = 5754792960. Its totient is φ = 547557696.

The previous prime is 2054312213. The next prime is 2054312291. The reversal of 2054312220 is 222134502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143341 + ... + 157019.

It is an arithmetic number, because the mean of its divisors is an integer number (119891520).

Almost surely, 2^2054312220 is an apocalyptic number.

2054312220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054312220 is an abundant number, since it is smaller than the sum of its proper divisors (3700480740).

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

2054312220 is a wasteful number, since it uses less digits than its factorization.

2054312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16194 (or 16192 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2054312220 is about 45324.5211778349. The cubic root of 2054312220 is about 1271.2241941645.

Adding to 2054312220 its reverse (222134502), we get a palindrome (2276446722).

The spelling of 2054312220 in words is "two billion, fifty-four million, three hundred twelve thousand, two hundred twenty".