21220032059 has 2 divisors, whose sum is σ = 21220032060. Its totient is φ = 21220032058.

The previous prime is 21220032017. The next prime is 21220032091. The reversal of 21220032059 is 95023002212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21220032059 is a prime.

It is not a weakly prime, because it can be changed into another prime (21220031059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10610016029 + 10610016030.

It is an arithmetic number, because the mean of its divisors is an integer number (10610016030).

Almost surely, 2^21220032059 is an apocalyptic number.

21220032059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21220032059 is an equidigital number, since it uses as much as digits as its factorization.

21220032059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 21220032059 in words is "twenty-one billion, two hundred twenty million, thirty-two thousand, fifty-nine".