2301312220 has 24 divisors (see below), whose sum is σ = 4848014304. Its totient is φ = 917618496.

The previous prime is 2301312193. The next prime is 2301312241. The reversal of 2301312220 is 222131032.

2301312220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2301312194 and 2301312203.

It is a congruent number.

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, 175152 + ... + 187831.

It is an arithmetic number, because the mean of its divisors is an integer number (202000596).

Almost surely, 2^2301312220 is an apocalyptic number.

2301312220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2301312220 is an abundant number, since it is smaller than the sum of its proper divisors (2546702084).

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

2301312220 is a wasteful number, since it uses less digits than its factorization.

2301312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363309 (or 363307 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2301312220 is about 47971.9941215706. The cubic root of 2301312220 is about 1320.2571086256.

Adding to 2301312220 its reverse (222131032), we get a palindrome (2523443252).

The spelling of 2301312220 in words is "two billion, three hundred one million, three hundred twelve thousand, two hundred twenty".