620537099 has 32 divisors (see below), whose sum is σ = 807045120. Its totient is φ = 463865472.

The previous prime is 620537087. The next prime is 620537129. The reversal of 620537099 is 990735026.

620537099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 620537099 - 2⁸ = 620536843 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (620537059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121532 + ... + 126534.

It is an arithmetic number, because the mean of its divisors is an integer number (25220160).

Almost surely, 2^620537099 is an apocalyptic number.

620537099 is a deficient number, since it is larger than the sum of its proper divisors (186508021).

620537099 is a wasteful number, since it uses less digits than its factorization.

620537099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 620537099 is about 24910.5820686711. The cubic root of 620537099 is about 852.9480559364.

The spelling of 620537099 in words is "six hundred twenty million, five hundred thirty-seven thousand, ninety-nine".