620056605 has 16 divisors (see below), whose sum is σ = 1133817984. Its totient is φ = 283454400.

The previous prime is 620056573. The next prime is 620056631. The reversal of 620056605 is 506650026.

It is not a de Polignac number, because 620056605 - 2⁵ = 620056573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2952546 + ... + 2952755.

It is an arithmetic number, because the mean of its divisors is an integer number (70863624).

Almost surely, 2^620056605 is an apocalyptic number.

It is an amenable number.

620056605 is a deficient number, since it is larger than the sum of its proper divisors (513761379).

620056605 is a wasteful number, since it uses less digits than its factorization.

620056605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5905316.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 620056605 is about 24900.9358257878. The cubic root of 620056605 is about 852.7278476411.

It can be divided in two parts, 6 and 20056605, that added together give a triangular number (20056611 = T₆₃₃₃).

The spelling of 620056605 in words is "six hundred twenty million, fifty-six thousand, six hundred five".