620054066 has 16 divisors (see below), whose sum is σ = 977437824. Its totient is φ = 294631344.

The previous prime is 620054041. The next prime is 620054077. The reversal of 620054066 is 660450026.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94250 + ... + 100613.

It is an arithmetic number, because the mean of its divisors is an integer number (61089864).

Almost surely, 2^620054066 is an apocalyptic number.

620054066 is a deficient number, since it is larger than the sum of its proper divisors (357383758).

620054066 is a wasteful number, since it uses less digits than its factorization.

620054066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194945.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 620054066 is about 24900.8848437159. The cubic root of 620054066 is about 852.7266837264.

The spelling of 620054066 in words is "six hundred twenty million, fifty-four thousand, sixty-six".