3201423220 has 24 divisors (see below), whose sum is σ = 6733504008. Its totient is φ = 1278566400.

The previous prime is 3201423209. The next prime is 3201423241. The reversal of 3201423220 is 223241023.

It can be written as a sum of positive squares in 4 ways, for example, as 1224020196 + 1977403024 = 34986^2 + 44468^2 .

It is a super-2 number, since 2×3201423220² = 20498221267110336800, which contains 22 as substring.

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, 112041 + ... + 137680.

It is an arithmetic number, because the mean of its divisors is an integer number (280562667).

Almost surely, 2^3201423220 is an apocalyptic number.

It is an amenable number.

3201423220 is an abundant number, since it is smaller than the sum of its proper divisors (3532080788).

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

3201423220 is a wasteful number, since it uses less digits than its factorization.

3201423220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250371 (or 250369 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3201423220 is about 56581.1207029341. The cubic root of 3201423220 is about 1473.8310332140.

Adding to 3201423220 its reverse (223241023), we get a palindrome (3424664243).

The spelling of 3201423220 in words is "three billion, two hundred one million, four hundred twenty-three thousand, two hundred twenty".