3215200120 has 32 divisors (see below), whose sum is σ = 7891855920. Its totient is φ = 1169163520.

The previous prime is 3215200057. The next prime is 3215200127. The reversal of 3215200120 is 210025123.

It is a junction number, because it is equal to n+sod(n) for n = 3215200094 and 3215200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215200127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3653197 + ... + 3654076.

Almost surely, 2^3215200120 is an apocalyptic number.

It is an amenable number.

3215200120 is an abundant number, since it is smaller than the sum of its proper divisors (4676655800).

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

3215200120 is a wasteful number, since it uses less digits than its factorization.

3215200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307295 (or 7307291 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3215200120 is about 56702.7346783204. The cubic root of 3215200120 is about 1475.9421532204.

Adding to 3215200120 its reverse (210025123), we get a palindrome (3425225243).

The spelling of 3215200120 in words is "three billion, two hundred fifteen million, two hundred thousand, one hundred twenty".