620062147057 has 4 divisors (see below), whose sum is σ = 621151887780. Its totient is φ = 618972406336.

The previous prime is 620062147051. The next prime is 620062147069. The reversal of 620062147057 is 750741260026.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35707393296 + 584354753761 = 188964^2 + 764431^2 .

It is a cyclic number.

It is not a de Polignac number, because 620062147057 - 2¹¹ = 620062145009 is a prime.

It is a super-2 number, since 2×620062147057² (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 (620062147051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544869508 + ... + 544870645.

It is an arithmetic number, because the mean of its divisors is an integer number (155287971945).

Almost surely, 2^620062147057 is an apocalyptic number.

It is an amenable number.

620062147057 is a deficient number, since it is larger than the sum of its proper divisors (1089740723).

620062147057 is a wasteful number, since it uses less digits than its factorization.

620062147057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089740722.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 620062147057 in words is "six hundred twenty billion, sixty-two million, one hundred forty-seven thousand, fifty-seven".