620545001224 has 16 divisors (see below), whose sum is σ = 1172683468800. Its totient is φ = 307829409552.

The previous prime is 620545001207. The next prime is 620545001243. The reversal of 620545001224 is 422100545026.

It is a super-2 number, since 2×620545001224² (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 3 ways as a sum of consecutive naturals, for example, 305385304 + ... + 305387335.

It is an arithmetic number, because the mean of its divisors is an integer number (73292716800).

Almost surely, 2^620545001224 is an apocalyptic number.

It is an amenable number.

620545001224 is a deficient number, since it is larger than the sum of its proper divisors (552138467576).

620545001224 is a wasteful number, since it uses less digits than its factorization.

620545001224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610772772 (or 610772768 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 620545001224 in words is "six hundred twenty billion, five hundred forty-five million, one thousand, two hundred twenty-four".