620243565610 has 32 divisors (see below), whose sum is σ = 1176209242560. Its totient is φ = 234837485568.

The previous prime is 620243565541. The next prime is 620243565661. The reversal of 620243565610 is 16565342026.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1182487 + ... + 1624426.

It is an arithmetic number, because the mean of its divisors is an integer number (36756538830).

Almost surely, 2^620243565610 is an apocalyptic number.

620243565610 is a deficient number, since it is larger than the sum of its proper divisors (555965676950).

620243565610 is a wasteful number, since it uses less digits than its factorization.

620243565610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808102.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 620243565610 in words is "six hundred twenty billion, two hundred forty-three million, five hundred sixty-five thousand, six hundred ten".