220761364 has 6 divisors (see below), whose sum is σ = 386332394. Its totient is φ = 110380680.

The previous prime is 220761347. The next prime is 220761367. The reversal of 220761364 is 463167022.

It can be written as a sum of positive squares in only one way, i.e., 159264400 + 61496964 = 12620^2 + 7842^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220761367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27595167 + ... + 27595174.

Almost surely, 2^220761364 is an apocalyptic number.

It is an amenable number.

220761364 is a deficient number, since it is larger than the sum of its proper divisors (165571030).

220761364 is a wasteful number, since it uses less digits than its factorization.

220761364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55190345 (or 55190343 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 220761364 is about 14858.0403822308. The cubic root of 220761364 is about 604.3766673821.

The spelling of 220761364 in words is "two hundred twenty million, seven hundred sixty-one thousand, three hundred sixty-four".