2388023820 has 432 divisors, whose sum is σ = 9254437920. Its totient is φ = 493903872.

The previous prime is 2388023749. The next prime is 2388023831. The reversal of 2388023820 is 283208832.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6764764 + ... + 6765116.

It is an arithmetic number, because the mean of its divisors is an integer number (21422310).

Almost surely, 2^2388023820 is an apocalyptic number.

2388023820 is a gapful number since it is divisible by the number (20) 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 2388023820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4627218960).

2388023820 is an abundant number, since it is smaller than the sum of its proper divisors (6866414100).

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

2388023820 is a wasteful number, since it uses less digits than its factorization.

2388023820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 2388023820 is about 48867.4106128000. The cubic root of 2388023820 is about 1336.6351717866.

The spelling of 2388023820 in words is "two billion, three hundred eighty-eight million, twenty-three thousand, eight hundred twenty".