18052036620 has 24 divisors (see below), whose sum is σ = 50545702704. Its totient is φ = 4813876416.

The previous prime is 18052036579. The next prime is 18052036631. The reversal of 18052036620 is 2663025081.

It is a super-2 number, since 2×18052036620² (a number of 21 digits) contains 22 as substring.

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, 150433579 + ... + 150433698.

It is an arithmetic number, because the mean of its divisors is an integer number (2106070946).

Almost surely, 2^18052036620 is an apocalyptic number.

18052036620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18052036620 is an abundant number, since it is smaller than the sum of its proper divisors (32493666084).

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

18052036620 is a wasteful number, since it uses less digits than its factorization.

18052036620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300867289 (or 300867287 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 18052036620 in words is "eighteen billion, fifty-two million, thirty-six thousand, six hundred twenty".