2321210020 has 24 divisors (see below), whose sum is σ = 4876510968. Its totient is φ = 928108800.

The previous prime is 2321210011. The next prime is 2321210063. The reversal of 2321210020 is 200121232.

It can be written as a sum of positive squares in 4 ways, for example, as 267126336 + 2054083684 = 16344^2 + 45322^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30280 + ... + 74560.

It is an arithmetic number, because the mean of its divisors is an integer number (203187957).

Almost surely, 2^2321210020 is an apocalyptic number.

2321210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321210020 is an abundant number, since it is smaller than the sum of its proper divisors (2555300948).

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

2321210020 is a wasteful number, since it uses less digits than its factorization.

2321210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46911 (or 46909 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2321210020 is about 48178.9375142292. The cubic root of 2321210020 is about 1324.0513004830.

Adding to 2321210020 its reverse (200121232), we get a palindrome (2521331252).

The spelling of 2321210020 in words is "two billion, three hundred twenty-one million, two hundred ten thousand, twenty".