620544433455201 has 16 divisors (see below), whose sum is σ = 858558692090880. Its totient is φ = 398384241583440.

The previous prime is 620544433455083. The next prime is 620544433455217. The reversal of 620544433455201 is 102554334445026.

It is not a de Polignac number, because 620544433455201 - 2¹⁸ = 620544433193057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620544433453201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33876201861 + ... + 33876220178.

It is an arithmetic number, because the mean of its divisors is an integer number (53659918255680).

Almost surely, 2^{620544433455201} is an apocalyptic number.

It is an amenable number.

620544433455201 is a deficient number, since it is larger than the sum of its proper divisors (238014258635679).

620544433455201 is a wasteful number, since it uses less digits than its factorization.

620544433455201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67752422156.

The product of its (nonzero) digits is 6912000, while the sum is 48.

The spelling of 620544433455201 in words is "six hundred twenty trillion, five hundred forty-four billion, four hundred thirty-three million, four hundred fifty-five thousand, two hundred one".