620102271 has 16 divisors (see below), whose sum is σ = 841340000. Its totient is φ = 406149120.

The previous prime is 620102243. The next prime is 620102281. The reversal of 620102271 is 172201026.

It is not a de Polignac number, because 620102271 - 2¹⁴ = 620085887 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 (620102201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227211 + ... + 229923.

It is an arithmetic number, because the mean of its divisors is an integer number (52583750).

Almost surely, 2^620102271 is an apocalyptic number.

620102271 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

620102271 is a deficient number, since it is larger than the sum of its proper divisors (221237729).

620102271 is a wasteful number, since it uses less digits than its factorization.

620102271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026.

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

The square root of 620102271 is about 24901.8527623950. The cubic root of 620102271 is about 852.7487810600.

Adding to 620102271 its reverse (172201026), we get a palindrome (792303297).

The spelling of 620102271 in words is "six hundred twenty million, one hundred two thousand, two hundred seventy-one".