20203351870271 has 8 divisors (see below), whose sum is σ = 20602975670784. Its totient is φ = 19804410606240.

The previous prime is 20203351870267. The next prime is 20203351870309. The reversal of 20203351870271 is 17207815330202.

It is a happy number.

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 20203351870271 - 2² = 20203351870267 is a prime.

It is a super-2 number, since 2×20203351870271² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203351876271) 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, 170574335 + ... + 170692736.

It is an arithmetic number, because the mean of its divisors is an integer number (2575371958848).

Almost surely, 2^{20203351870271} is an apocalyptic number.

20203351870271 is a deficient number, since it is larger than the sum of its proper divisors (399623800513).

20203351870271 is a wasteful number, since it uses less digits than its factorization.

20203351870271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341268241.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 20203351870271 in words is "twenty trillion, two hundred three billion, three hundred fifty-one million, eight hundred seventy thousand, two hundred seventy-one".