620063530 has 16 divisors (see below), whose sum is σ = 1124904960. Its totient is φ = 246071952.

The previous prime is 620063513. The next prime is 620063539. The reversal of 620063530 is 35360026.

It is a junction number, because it is equal to n+sod(n) for n = 620063495 and 620063504.

It is not an unprimeable number, because it can be changed into a prime (620063539) 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, 242850 + ... + 245389.

It is an arithmetic number, because the mean of its divisors is an integer number (70306560).

Almost surely, 2^620063530 is an apocalyptic number.

620063530 is a deficient number, since it is larger than the sum of its proper divisors (504841430).

620063530 is a wasteful number, since it uses less digits than its factorization.

620063530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488373.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 620063530 is about 24901.0748763984. The cubic root of 620063530 is about 852.7310221461.

It can be divided in two parts, 62006 and 3530, that added together give a 16-th power (65536 = 2¹⁶).

The spelling of 620063530 in words is "six hundred twenty million, sixty-three thousand, five hundred thirty".