620251534424 has 32 divisors (see below), whose sum is σ = 1171136610000. Its totient is φ = 307949718912.

The previous prime is 620251534411. The next prime is 620251534439. The reversal of 620251534424 is 424435152026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3882722 + ... + 4039310.

Almost surely, 2^620251534424 is an apocalyptic number.

It is an amenable number.

620251534424 is a deficient number, since it is larger than the sum of its proper divisors (550885075576).

620251534424 is a wasteful number, since it uses less digits than its factorization.

620251534424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160067 (or 160063 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 620251534424 in words is "six hundred twenty billion, two hundred fifty-one million, five hundred thirty-four thousand, four hundred twenty-four".