3421020252 has 48 divisors (see below), whose sum is σ = 8873725952. Its totient is φ = 1018664640.

The previous prime is 3421020247. The next prime is 3421020257. The reversal of 3421020252 is 2520201243.

It is an interprime number because it is at equal distance from previous prime (3421020247) and next prime (3421020257).

It is a super-3 number, since 3×3421020252³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421020257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348868 + ... + 358539.

Almost surely, 2^3421020252 is an apocalyptic number.

It is an amenable number.

3421020252 is an abundant number, since it is smaller than the sum of its proper divisors (5452705700).

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

3421020252 is a wasteful number, since it uses less digits than its factorization.

3421020252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707458 (or 707456 counting only the distinct ones).

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

The square root of 3421020252 is about 58489.4883889405. The cubic root of 3421020252 is about 1506.7870593443.

Adding to 3421020252 its reverse (2520201243), we get a palindrome (5941221495).

The spelling of 3421020252 in words is "three billion, four hundred twenty-one million, twenty thousand, two hundred fifty-two".