620005507051 has 16 divisors (see below), whose sum is σ = 723769841664. Its totient is φ = 520042827744.

The previous prime is 620005507049. The next prime is 620005507061. The reversal of 620005507051 is 150705500026.

It is a cyclic number.

It is not a de Polignac number, because 620005507051 - 2¹ = 620005507049 is a prime.

It is a super-2 number, since 2×620005507051² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620005507061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1948866 + ... + 2244568.

It is an arithmetic number, because the mean of its divisors is an integer number (45235615104).

Almost surely, 2^620005507051 is an apocalyptic number.

620005507051 is a deficient number, since it is larger than the sum of its proper divisors (103764334613).

620005507051 is a wasteful number, since it uses less digits than its factorization.

620005507051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302130.

The product of its (nonzero) digits is 10500, while the sum is 31.

The spelling of 620005507051 in words is "six hundred twenty billion, five million, five hundred seven thousand, fifty-one".