1838202220364 has 12 divisors (see below), whose sum is σ = 3356717098224. Its totient is φ = 879140192304.

The previous prime is 1838202220363. The next prime is 1838202220373. The reversal of 1838202220364 is 4630222028381.

It is a super-2 number, since 2×1838202220364² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1838202220363) 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, 9990229367 + ... + 9990229550.

It is an arithmetic number, because the mean of its divisors is an integer number (279726424852).

Almost surely, 2^{1838202220364} is an apocalyptic number.

It is an amenable number.

1838202220364 is a deficient number, since it is larger than the sum of its proper divisors (1518514877860).

1838202220364 is a wasteful number, since it uses less digits than its factorization.

1838202220364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980458944 (or 19980458942 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

It can be divided in two parts, 1838 and 202220364, that added together give a palindrome (202222202).

The spelling of 1838202220364 in words is "one trillion, eight hundred thirty-eight billion, two hundred two million, two hundred twenty thousand, three hundred sixty-four".