620003055 has 16 divisors (see below), whose sum is σ = 1133720064. Its totient is φ = 283429920.

The previous prime is 620003053. The next prime is 620003071. The reversal of 620003055 is 550300026.

It is not a de Polignac number, because 620003055 - 2¹ = 620003053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620003053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2952291 + ... + 2952500.

It is an arithmetic number, because the mean of its divisors is an integer number (70857504).

Almost surely, 2^620003055 is an apocalyptic number.

620003055 is a deficient number, since it is larger than the sum of its proper divisors (513717009).

620003055 is a wasteful number, since it uses less digits than its factorization.

620003055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5904806.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 620003055 is about 24899.8605417781. The cubic root of 620003055 is about 852.7032988658.

The spelling of 620003055 in words is "six hundred twenty million, three thousand, fifty-five".