2231520204 has 24 divisors (see below), whose sum is σ = 5238829120. Its totient is φ = 739275984.

The previous prime is 2231520197. The next prime is 2231520241. The reversal of 2231520204 is 4020251322.

It is a super-3 number, since 3×2231520204³ (a number of 29 digits) contains 333 as substring.

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, 568474 + ... + 572385.

Almost surely, 2^2231520204 is an apocalyptic number.

It is an amenable number.

2231520204 is an abundant number, since it is smaller than the sum of its proper divisors (3007308916).

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

2231520204 is a wasteful number, since it uses less digits than its factorization.

2231520204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141029 (or 1141027 counting only the distinct ones).

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

The square root of 2231520204 is about 47238.9691250772. The cubic root of 2231520204 is about 1306.7733662985.

Adding to 2231520204 its reverse (4020251322), we get a palindrome (6251771526).

The spelling of 2231520204 in words is "two billion, two hundred thirty-one million, five hundred twenty thousand, two hundred four".