201839020 has 24 divisors (see below), whose sum is σ = 424129104. Its totient is φ = 80684736.

The previous prime is 201839003. The next prime is 201839021. The reversal of 201839020 is 20938102.

It is not an unprimeable number, because it can be changed into a prime (201839021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59079 + ... + 62401.

It is an arithmetic number, because the mean of its divisors is an integer number (17672046).

Almost surely, 2^201839020 is an apocalyptic number.

201839020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201839020 is an abundant number, since it is smaller than the sum of its proper divisors (222290084).

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

201839020 is a wasteful number, since it uses less digits than its factorization.

201839020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369 (or 6367 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 201839020 is about 14207.0060181588. The cubic root of 201839020 is about 586.5905240080.

The spelling of 201839020 in words is "two hundred one million, eight hundred thirty-nine thousand, twenty".