220673533 has 2 divisors, whose sum is σ = 220673534. Its totient is φ = 220673532.

The previous prime is 220673501. The next prime is 220673591. The reversal of 220673533 is 335376022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172607044 + 48066489 = 13138^2 + 6933^2 .

It is a cyclic number.

It is not a de Polignac number, because 220673533 - 2⁵ = 220673501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220673495 and 220673504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220673833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110336766 + 110336767.

It is an arithmetic number, because the mean of its divisors is an integer number (110336767).

Almost surely, 2^220673533 is an apocalyptic number.

It is an amenable number.

220673533 is a deficient number, since it is larger than the sum of its proper divisors (1).

220673533 is an equidigital number, since it uses as much as digits as its factorization.

220673533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 220673533 is about 14855.0844157817. The cubic root of 220673533 is about 604.2965053353.

It can be divided in two parts, 22067 and 3533, that added together give a square (25600 = 160²).

The spelling of 220673533 in words is "two hundred twenty million, six hundred seventy-three thousand, five hundred thirty-three".