620200055 has 16 divisors (see below), whose sum is σ = 757908480. Its totient is φ = 487130112.

The previous prime is 620200027. The next prime is 620200067. The reversal of 620200055 is 550002026.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 620200055 - 2¹² = 620195959 is a prime.

It is a super-3 number, since 3×620200055³ (a number of 27 digits) contains 333 as substring.

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, 56561 + ... + 66629.

It is an arithmetic number, because the mean of its divisors is an integer number (47369280).

Almost surely, 2^620200055 is an apocalyptic number.

620200055 is a deficient number, since it is larger than the sum of its proper divisors (137708425).

620200055 is a wasteful number, since it uses less digits than its factorization.

620200055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10298.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 620200055 is about 24903.8160730439. The cubic root of 620200055 is about 852.7936020560.

The spelling of 620200055 in words is "six hundred twenty million, two hundred thousand, fifty-five".