620236528 has 40 divisors (see below), whose sum is σ = 1229385600. Its totient is φ = 303024384.

The previous prime is 620236511. The next prime is 620236553. The reversal of 620236528 is 825632026.

It is a junction number, because it is equal to n+sod(n) for n = 620236493 and 620236502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226753 + ... + 229471.

It is an arithmetic number, because the mean of its divisors is an integer number (30734640).

Almost surely, 2^620236528 is an apocalyptic number.

It is an amenable number.

620236528 is a deficient number, since it is larger than the sum of its proper divisors (609149072).

620236528 is a wasteful number, since it uses less digits than its factorization.

620236528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049 (or 3043 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 620236528 is about 24904.5483396106. The cubic root of 620236528 is about 852.8103188832.

The spelling of 620236528 in words is "six hundred twenty million, two hundred thirty-six thousand, five hundred twenty-eight".