620233065 has 32 divisors (see below), whose sum is σ = 1150583040. Its totient is φ = 316407168.

The previous prime is 620233043. The next prime is 620233073. The reversal of 620233065 is 560332026.

620233065 is a `hidden beast` number, since 620 + 2 + 3 + 30 + 6 + 5 = 666.

It is not a de Polignac number, because 620233065 - 2⁶ = 620233001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96772 + ... + 102981.

It is an arithmetic number, because the mean of its divisors is an integer number (35955720).

Almost surely, 2^620233065 is an apocalyptic number.

It is an amenable number.

620233065 is a deficient number, since it is larger than the sum of its proper divisors (530349975).

620233065 is a wasteful number, since it uses less digits than its factorization.

620233065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199790 (or 199784 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 620233065 is about 24904.4788140607. The cubic root of 620233065 is about 852.8087316996.

The spelling of 620233065 in words is "six hundred twenty million, two hundred thirty-three thousand, sixty-five".