220747033 has 4 divisors (see below), whose sum is σ = 237727588. Its totient is φ = 203766480.

The previous prime is 220747013. The next prime is 220747097. The reversal of 220747033 is 330747022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28869129 + 191877904 = 5373^2 + 13852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220747033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220746992 and 220747010.

It is not an unprimeable number, because it can be changed into a prime (220747013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8490258 + ... + 8490283.

It is an arithmetic number, because the mean of its divisors is an integer number (59431897).

Almost surely, 2^220747033 is an apocalyptic number.

It is an amenable number.

220747033 is a deficient number, since it is larger than the sum of its proper divisors (16980555).

220747033 is a wasteful number, since it uses less digits than its factorization.

220747033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16980554.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 220747033 is about 14857.5581102683. The cubic root of 220747033 is about 604.3635891434.

It can be divided in two parts, 220 and 747033, that added together give a triangular number (747253 = T₁₂₂₂).

The spelling of 220747033 in words is "two hundred twenty million, seven hundred forty-seven thousand, thirty-three".