620693133 has 8 divisors (see below), whose sum is σ = 827707488. Its totient is φ = 413737104.

The previous prime is 620693057. The next prime is 620693149. The reversal of 620693133 is 331396026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 620693133 - 2¹⁰ = 620692109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620693094 and 620693103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620693153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28110 + ... + 45072.

It is an arithmetic number, because the mean of its divisors is an integer number (103463436).

Almost surely, 2^620693133 is an apocalyptic number.

It is an amenable number.

620693133 is a deficient number, since it is larger than the sum of its proper divisors (207014355).

620693133 is a wasteful number, since it uses less digits than its factorization.

620693133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29163.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 620693133 is about 24913.7137536739. The cubic root of 620693133 is about 853.0195411834.

The spelling of 620693133 in words is "six hundred twenty million, six hundred ninety-three thousand, one hundred thirty-three".