620202646 has 8 divisors (see below), whose sum is σ = 1063204560. Its totient is φ = 265801128.

The previous prime is 620202637. The next prime is 620202673. The reversal of 620202646 is 646202026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22150081 + ... + 22150108.

It is an arithmetic number, because the mean of its divisors is an integer number (132900570).

Almost surely, 2^620202646 is an apocalyptic number.

620202646 is a deficient number, since it is larger than the sum of its proper divisors (443001914).

620202646 is a wasteful number, since it uses less digits than its factorization.

620202646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44300198.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 620202646 is about 24903.8680931296. The cubic root of 620202646 is about 852.7947896218.

The spelling of 620202646 in words is "six hundred twenty million, two hundred two thousand, six hundred forty-six".