620066626 has 8 divisors (see below), whose sum is σ = 930242304. Its totient is φ = 309985860.

The previous prime is 620066611. The next prime is 620066639. The reversal of 620066626 is 626660026.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 620066591 and 620066600.

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, 4170 + ... + 35461.

It is an arithmetic number, because the mean of its divisors is an integer number (116280288).

Almost surely, 2^620066626 is an apocalyptic number.

620066626 is a deficient number, since it is larger than the sum of its proper divisors (310175678).

620066626 is a wasteful number, since it uses less digits than its factorization.

620066626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47456.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 620066626 is about 24901.1370423119. The cubic root of 620066626 is about 852.7324413829.

The spelling of 620066626 in words is "six hundred twenty million, sixty-six thousand, six hundred twenty-six".