620066722 has 16 divisors (see below), whose sum is σ = 1016844192. Its totient is φ = 281240320.

The previous prime is 620066717. The next prime is 620066753. The reversal of 620066722 is 227660026.

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 in 7 ways as a sum of consecutive naturals, for example, 19903 + ... + 40450.

It is an arithmetic number, because the mean of its divisors is an integer number (63552762).

Almost surely, 2^620066722 is an apocalyptic number.

620066722 is a deficient number, since it is larger than the sum of its proper divisors (396777470).

620066722 is a wasteful number, since it uses less digits than its factorization.

620066722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60833.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 620066722 is about 24901.1389699347. The cubic root of 620066722 is about 852.7324853901.

The spelling of 620066722 in words is "six hundred twenty million, sixty-six thousand, seven hundred twenty-two".