380122820 has 48 divisors (see below), whose sum is σ = 995234688. Its totient is φ = 118479360.

The previous prime is 380122801. The next prime is 380122843. The reversal of 380122820 is 28221083.

It is a self number, because there is not a number n which added to its sum of digits gives 380122820.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121877 + ... + 124956.

It is an arithmetic number, because the mean of its divisors is an integer number (20734056).

Almost surely, 2^380122820 is an apocalyptic number.

It is an amenable number.

380122820 is an abundant number, since it is smaller than the sum of its proper divisors (615111868).

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

380122820 is a wasteful number, since it uses less digits than its factorization.

380122820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246860 (or 246858 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 380122820 is about 19496.7387016393. The cubic root of 380122820 is about 724.3936714186.

The spelling of 380122820 in words is "three hundred eighty million, one hundred twenty-two thousand, eight hundred twenty".