620204242608 has 40 divisors (see below), whose sum is σ = 1780215882800. Its totient is φ = 206734747392.

The previous prime is 620204242591. The next prime is 620204242643. The reversal of 620204242608 is 806242402026.

620204242608 is a `hidden beast` number, since 6 + 2 + 0 + 2 + 0 + 4 + 2 + 42 + 608 = 666.

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

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, 717828553 + ... + 717829416.

It is an arithmetic number, because the mean of its divisors is an integer number (44505397070).

Almost surely, 2^620204242608 is an apocalyptic number.

It is an amenable number.

620204242608 is an abundant number, since it is smaller than the sum of its proper divisors (1160011640192).

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

620204242608 is a wasteful number, since it uses less digits than its factorization.

620204242608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435657986 (or 1435657974 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 620204242608 in words is "six hundred twenty billion, two hundred four million, two hundred forty-two thousand, six hundred eight".