20001837272827 has 2 divisors, whose sum is σ = 20001837272828. Its totient is φ = 20001837272826.

The previous prime is 20001837272803. The next prime is 20001837272849. The reversal of 20001837272827 is 72827273810002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20001837272827 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001837272227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000918636413 + 10000918636414.

It is an arithmetic number, because the mean of its divisors is an integer number (10000918636414).

Almost surely, 2^{20001837272827} is an apocalyptic number.

20001837272827 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001837272827 is an equidigital number, since it uses as much as digits as its factorization.

20001837272827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 20001837272827 in words is "twenty trillion, one billion, eight hundred thirty-seven million, two hundred seventy-two thousand, eight hundred twenty-seven".