620566452 has 36 divisors (see below), whose sum is σ = 1711260096. Its totient is φ = 188050320.

The previous prime is 620566433. The next prime is 620566477. The reversal of 620566452 is 254665026.

620566452 is a `hidden beast` number, since 6 + 2 + 0 + 5 + 6 + 645 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783148 + ... + 783939.

Almost surely, 2^620566452 is an apocalyptic number.

It is an amenable number.

620566452 is an abundant number, since it is smaller than the sum of its proper divisors (1090693644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620566452 is a wasteful number, since it uses less digits than its factorization.

620566452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567108 (or 1567103 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 620566452 is about 24911.1712289888. The cubic root of 620566452 is about 852.9615046029.

The spelling of 620566452 in words is "six hundred twenty million, five hundred sixty-six thousand, four hundred fifty-two".