201044443020 has 96 divisors (see below), whose sum is σ = 589633938432. Its totient is φ = 51085824768.

The previous prime is 201044442857. The next prime is 201044443049. The reversal of 201044443020 is 20344440102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85974 + ... + 639906.

It is an arithmetic number, because the mean of its divisors is an integer number (6142020192).

Almost surely, 2^201044443020 is an apocalyptic number.

201044443020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201044443020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294816969216).

201044443020 is an abundant number, since it is smaller than the sum of its proper divisors (388589495412).

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

201044443020 is a wasteful number, since it uses less digits than its factorization.

201044443020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554231 (or 554229 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 201044443020 its reverse (20344440102), we get a palindrome (221388883122).

The spelling of 201044443020 in words is "two hundred one billion, forty-four million, four hundred forty-three thousand, twenty".