620702085 has 8 divisors (see below), whose sum is σ = 993123360. Its totient is φ = 331041104.

The previous prime is 620702039. The next prime is 620702087. The reversal of 620702085 is 580207026.

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 620702085 - 2⁹ = 620701573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620702087) 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, 20690055 + ... + 20690084.

It is an arithmetic number, because the mean of its divisors is an integer number (124140420).

Almost surely, 2^620702085 is an apocalyptic number.

It is an amenable number.

620702085 is a deficient number, since it is larger than the sum of its proper divisors (372421275).

620702085 is a wasteful number, since it uses less digits than its factorization.

620702085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41380147.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 620702085 is about 24913.8934131139. The cubic root of 620702085 is about 853.0236420796.

It can be divided in two parts, 620 and 702085, that added together give a triangular number (702705 = T₁₁₈₅).

The spelling of 620702085 in words is "six hundred twenty million, seven hundred two thousand, eighty-five".