620066965 has 8 divisors (see below), whose sum is σ = 850377600. Its totient is φ = 425188752.

The previous prime is 620066917. The next prime is 620066969. The reversal of 620066965 is 569660026.

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 620066965 - 2²⁵ = 586512533 is a prime.

It is a super-2 number, since 2×620066965² = 768966082168622450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620066969) 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, 8858065 + ... + 8858134.

It is an arithmetic number, because the mean of its divisors is an integer number (106297200).

Almost surely, 2^620066965 is an apocalyptic number.

It is an amenable number.

620066965 is a deficient number, since it is larger than the sum of its proper divisors (230310635).

620066965 is a wasteful number, since it uses less digits than its factorization.

620066965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17716211.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 620066965 is about 24901.1438492291. The cubic root of 620066965 is about 852.7325967835.

The spelling of 620066965 in words is "six hundred twenty million, sixty-six thousand, nine hundred sixty-five".