32500020023221 has 2 divisors, whose sum is σ = 32500020023222. Its totient is φ = 32500020023220.

The previous prime is 32500020023213. The next prime is 32500020023227. The reversal of 32500020023221 is 12232002000523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27280919856996 + 5219100166225 = 5223114^2 + 2284535^2 .

It is a cyclic number.

It is not a de Polignac number, because 32500020023221 - 2³ = 32500020023213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32500020023192 and 32500020023201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32500020023227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16250010011610 + 16250010011611.

It is an arithmetic number, because the mean of its divisors is an integer number (16250010011611).

Almost surely, 2^{32500020023221} is an apocalyptic number.

It is an amenable number.

32500020023221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32500020023221 is an equidigital number, since it uses as much as digits as its factorization.

32500020023221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 32500020023221 its reverse (12232002000523), we get a palindrome (44732022023744).

The spelling of 32500020023221 in words is "thirty-two trillion, five hundred billion, twenty million, twenty-three thousand, two hundred twenty-one".