620281216 has 32 divisors (see below), whose sum is σ = 1237035600. Its totient is φ = 309809664.

The previous prime is 620281199. The next prime is 620281237. The reversal of 620281216 is 612182026.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155341 + ... + 159283.

Almost surely, 2^620281216 is an apocalyptic number.

It is an amenable number.

620281216 is a deficient number, since it is larger than the sum of its proper divisors (616754384).

620281216 is a wasteful number, since it uses less digits than its factorization.

620281216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186 (or 5174 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 620281216 is about 24905.4455089645. The cubic root of 620281216 is about 852.8308000333.

The spelling of 620281216 in words is "six hundred twenty million, two hundred eighty-one thousand, two hundred sixteen".