2303221202120 has 16 divisors (see below), whose sum is σ = 5182247704860. Its totient is φ = 921288480832.

The previous prime is 2303221202101. The next prime is 2303221202129. The reversal of 2303221202120 is 212021223032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2289054013444 + 14167188676 = 1512962^2 + 119026^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2303221202092 and 2303221202101.

It is not an unprimeable number, because it can be changed into a prime (2303221202129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28790264987 + ... + 28790265066.

Almost surely, 2^{2303221202120} is an apocalyptic number.

2303221202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303221202120 is an abundant number, since it is smaller than the sum of its proper divisors (2879026502740).

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

2303221202120 is a wasteful number, since it uses less digits than its factorization.

2303221202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57580530064 (or 57580530060 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2303221202120 its reverse (212021223032), we get a palindrome (2515242425152).

The spelling of 2303221202120 in words is "two trillion, three hundred three billion, two hundred twenty-one million, two hundred two thousand, one hundred twenty".