1838046020 has 12 divisors (see below), whose sum is σ = 3859896684. Its totient is φ = 735218400.

The previous prime is 1838046019. The next prime is 1838046029. The reversal of 1838046020 is 206408381.

It can be written as a sum of positive squares in 2 ways, for example, as 653722624 + 1184323396 = 25568^2 + 34414^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1838046029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45951131 + ... + 45951170.

It is an arithmetic number, because the mean of its divisors is an integer number (321658057).

Almost surely, 2^1838046020 is an apocalyptic number.

1838046020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1838046020 is an abundant number, since it is smaller than the sum of its proper divisors (2021850664).

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

1838046020 is a wasteful number, since it uses less digits than its factorization.

1838046020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91902310 (or 91902308 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1838046020 is about 42872.4389322558. The cubic root of 1838046020 is about 1224.9512172716.

The spelling of 1838046020 in words is "one billion, eight hundred thirty-eight million, forty-six thousand, twenty".