20002577671323 has 64 divisors (see below), whose sum is σ = 32361641424000. Its totient is φ = 12137415874560.

The previous prime is 20002577671313. The next prime is 20002577671367. The reversal of 20002577671323 is 32317677520002.

It is a happy number.

20002577671323 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 2 + 577 + 6 + 71 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 20002577671323 - 2¹⁸ = 20002577409179 is a prime.

It is a super-2 number, since 2×20002577671323² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20002577671313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5769103 + ... + 8560823.

It is an arithmetic number, because the mean of its divisors is an integer number (505650647250).

Almost surely, 2^{20002577671323} is an apocalyptic number.

20002577671323 is a deficient number, since it is larger than the sum of its proper divisors (12359063752677).

20002577671323 is a wasteful number, since it uses less digits than its factorization.

20002577671323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792029 (or 2792023 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The spelling of 20002577671323 in words is "twenty trillion, two billion, five hundred seventy-seven million, six hundred seventy-one thousand, three hundred twenty-three".