620063206444 has 24 divisors (see below), whose sum is σ = 1190845410048. Its totient is φ = 280159202640.

The previous prime is 620063206439. The next prime is 620063206459. The reversal of 620063206444 is 444602360026.

It is a super-2 number, since 2×620063206444² (a number of 24 digits) contains 22 as substring.

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, 42185304 + ... + 42199999.

It is an arithmetic number, because the mean of its divisors is an integer number (49618558752).

Almost surely, 2^620063206444 is an apocalyptic number.

It is an amenable number.

620063206444 is a deficient number, since it is larger than the sum of its proper divisors (570782203604).

620063206444 is a wasteful number, since it uses less digits than its factorization.

620063206444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84385485 (or 84385483 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 620063206444 in words is "six hundred twenty billion, sixty-three million, two hundred six thousand, four hundred forty-four".