3820213500 has 192 divisors, whose sum is σ = 11732273280. Its totient is φ = 964454400.

The previous prime is 3820213489. The next prime is 3820213561. The reversal of 3820213500 is 53120283.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2304672 + ... + 2306328.

It is an arithmetic number, because the mean of its divisors is an integer number (61105590).

Almost surely, 2^3820213500 is an apocalyptic number.

3820213500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3820213500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5866136640).

3820213500 is an abundant number, since it is smaller than the sum of its proper divisors (7912059780).

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

3820213500 is a wasteful number, since it uses less digits than its factorization.

3820213500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1749 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3820213500 is about 61807.8757117570. The cubic root of 3820213500 is about 1563.2527871278.

Adding to 3820213500 its reverse (53120283), we get a palindrome (3873333783).

The spelling of 3820213500 in words is "three billion, eight hundred twenty million, two hundred thirteen thousand, five hundred".