620456432 has 20 divisors (see below), whose sum is σ = 1202616480. Its totient is φ = 310103808.

The previous prime is 620456411. The next prime is 620456453. The reversal of 620456432 is 234654026.

It is an interprime number because it is at equal distance from previous prime (620456411) and next prime (620456453).

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 3 ways as a sum of consecutive naturals, for example, 43688 + ... + 56120.

It is an arithmetic number, because the mean of its divisors is an integer number (60130824).

Almost surely, 2^620456432 is an apocalyptic number.

It is an amenable number.

620456432 is a deficient number, since it is larger than the sum of its proper divisors (582160048).

620456432 is a wasteful number, since it uses less digits than its factorization.

620456432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15560 (or 15554 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 620456432 is about 24908.9628848734. The cubic root of 620456432 is about 852.9110945457.

The spelling of 620456432 in words is "six hundred twenty million, four hundred fifty-six thousand, four hundred thirty-two".