201020371670399 has 8 divisors (see below), whose sum is σ = 201052862022432. Its totient is φ = 200987882219520.

The previous prime is 201020371670347. The next prime is 201020371670401. The reversal of 201020371670399 is 993076173020102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201020371670399 - 2⁸ = 201020371670143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020371670309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554399027 + ... + 554761499.

It is an arithmetic number, because the mean of its divisors is an integer number (25131607752804).

Almost surely, 2^{201020371670399} is an apocalyptic number.

201020371670399 is a deficient number, since it is larger than the sum of its proper divisors (32490352033).

201020371670399 is an equidigital number, since it uses as much as digits as its factorization.

201020371670399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450577.

The product of its (nonzero) digits is 857304, while the sum is 50.

The spelling of 201020371670399 in words is "two hundred one trillion, twenty billion, three hundred seventy-one million, six hundred seventy thousand, three hundred ninety-nine".