620071266 has 16 divisors (see below), whose sum is σ = 1268983584. Its totient is φ = 201883584.

The previous prime is 620071261. The next prime is 620071279. The reversal of 620071266 is 662170026.

It is not an unprimeable number, because it can be changed into a prime (620071261) 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, 1201431 + ... + 1201946.

It is an arithmetic number, because the mean of its divisors is an integer number (79311474).

Almost surely, 2^620071266 is an apocalyptic number.

620071266 is an abundant number, since it is smaller than the sum of its proper divisors (648912318).

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

620071266 is a wasteful number, since it uses less digits than its factorization.

620071266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403425.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 620071266 is about 24901.2302105739. The cubic root of 620071266 is about 852.7345683955.

The spelling of 620071266 in words is "six hundred twenty million, seventy-one thousand, two hundred sixty-six".