3820120550 has 12 divisors (see below), whose sum is σ = 7105424316. Its totient is φ = 1528048200.

The previous prime is 3820120529. The next prime is 3820120553. The reversal of 3820120550 is 550210283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820120553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38201156 + ... + 38201255.

It is an arithmetic number, because the mean of its divisors is an integer number (592118693).

Almost surely, 2^3820120550 is an apocalyptic number.

3820120550 is a deficient number, since it is larger than the sum of its proper divisors (3285303766).

3820120550 is a wasteful number, since it uses less digits than its factorization.

3820120550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76402423 (or 76402418 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 3820120550 is about 61807.1237803540. The cubic root of 3820120550 is about 1563.2401084712.

The spelling of 3820120550 in words is "three billion, eight hundred twenty million, one hundred twenty thousand, five hundred fifty".