620172650621227 has 12 divisors (see below), whose sum is σ = 697530338548120. Its totient is φ = 550681846212960.

The previous prime is 620172650621221. The next prime is 620172650621257. The reversal of 620172650621227 is 722126056271026.

It is not a de Polignac number, because 620172650621227 - 2¹⁹ = 620172650096939 is a prime.

It is a super-2 number, since 2×620172650621227² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (620172650621221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59597597202 + ... + 59597607607.

Almost surely, 2^{620172650621227} is an apocalyptic number.

620172650621227 is a deficient number, since it is larger than the sum of its proper divisors (77357687926893).

620172650621227 is a wasteful number, since it uses less digits than its factorization.

620172650621227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119195204874 (or 119195204863 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 620172650621227 in words is "six hundred twenty trillion, one hundred seventy-two billion, six hundred fifty million, six hundred twenty-one thousand, two hundred twenty-seven".