20610200271 has 4 divisors (see below), whose sum is σ = 27480267032. Its totient is φ = 13740133512.

The previous prime is 20610200231. The next prime is 20610200339. The reversal of 20610200271 is 17200201602.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20610200271 - 2¹⁷ = 20610069199 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 (20610200231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3435033376 + ... + 3435033381.

It is an arithmetic number, because the mean of its divisors is an integer number (6870066758).

Almost surely, 2^20610200271 is an apocalyptic number.

20610200271 is a deficient number, since it is larger than the sum of its proper divisors (6870066761).

20610200271 is an equidigital number, since it uses as much as digits as its factorization.

20610200271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6870066760.

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 20610200271 its reverse (17200201602), we get a palindrome (37810401873).

The spelling of 20610200271 in words is "twenty billion, six hundred ten million, two hundred thousand, two hundred seventy-one".