220002021084553 has 2 divisors, whose sum is σ = 220002021084554. Its totient is φ = 220002021084552.

The previous prime is 220002021084533. The next prime is 220002021084557. The reversal of 220002021084553 is 355480120200022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219692632609024 + 309388475529 = 14822032^2 + 556227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220002021084553 is a prime.

It is not a weakly prime, because it can be changed into another prime (220002021084557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001010542276 + 110001010542277.

It is an arithmetic number, because the mean of its divisors is an integer number (110001010542277).

Almost surely, 2^{220002021084553} is an apocalyptic number.

It is an amenable number.

220002021084553 is a deficient number, since it is larger than the sum of its proper divisors (1).

220002021084553 is an equidigital number, since it uses as much as digits as its factorization.

220002021084553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 220002021084553 its reverse (355480120200022), we get a palindrome (575482141284575).

The spelling of 220002021084553 in words is "two hundred twenty trillion, two billion, twenty-one million, eighty-four thousand, five hundred fifty-three".