201701850020 has 48 divisors (see below), whose sum is σ = 466655708736. Its totient is φ = 72619920000.

The previous prime is 201701849983. The next prime is 201701850037. The reversal of 201701850020 is 20058107102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4516526 + ... + 4560965.

It is an arithmetic number, because the mean of its divisors is an integer number (9721993932).

Almost surely, 2^201701850020 is an apocalyptic number.

201701850020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201701850020 is an abundant number, since it is smaller than the sum of its proper divisors (264953858716).

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

201701850020 is a wasteful number, since it uses less digits than its factorization.

201701850020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077612 (or 9077610 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 201701850020 its reverse (20058107102), we get a palindrome (221759957122).

The spelling of 201701850020 in words is "two hundred one billion, seven hundred one million, eight hundred fifty thousand, twenty".