620226066406 has 8 divisors (see below), whose sum is σ = 930733819920. Its totient is φ = 309981459768.

The previous prime is 620226066389. The next prime is 620226066451. The reversal of 620226066406 is 604660622026.

It is a happy number.

620226066406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 65780826 + ... + 65790253.

It is an arithmetic number, because the mean of its divisors is an integer number (116341727490).

Almost surely, 2^620226066406 is an apocalyptic number.

620226066406 is a deficient number, since it is larger than the sum of its proper divisors (310507753514).

620226066406 is a wasteful number, since it uses less digits than its factorization.

620226066406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131573438.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 620226066406 in words is "six hundred twenty billion, two hundred twenty-six million, sixty-six thousand, four hundred six".