620466440206 has 4 divisors (see below), whose sum is σ = 930699660312. Its totient is φ = 310233220102.

The previous prime is 620466440197. The next prime is 620466440311. The reversal of 620466440206 is 602044664026.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155116610050 + ... + 155116610053.

It is an arithmetic number, because the mean of its divisors is an integer number (232674915078).

Almost surely, 2^620466440206 is an apocalyptic number.

620466440206 is a deficient number, since it is larger than the sum of its proper divisors (310233220106).

620466440206 is a wasteful number, since it uses less digits than its factorization.

620466440206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310233220105.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 620466440206 in words is "six hundred twenty billion, four hundred sixty-six million, four hundred forty thousand, two hundred six".