2038381820 has 24 divisors (see below), whose sum is σ = 4286737728. Its totient is φ = 814184000.

The previous prime is 2038381817. The next prime is 2038381853. The reversal of 2038381820 is 281838302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58676 + ... + 86715.

It is an arithmetic number, because the mean of its divisors is an integer number (178614072).

Almost surely, 2^2038381820 is an apocalyptic number.

2038381820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2038381820 is an abundant number, since it is smaller than the sum of its proper divisors (2248355908).

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

2038381820 is a wasteful number, since it uses less digits than its factorization.

2038381820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146101 (or 146099 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2038381820 is about 45148.4420550699. The cubic root of 2038381820 is about 1267.9297122917.

The spelling of 2038381820 in words is "two billion, thirty-eight million, three hundred eighty-one thousand, eight hundred twenty".