220740526 has 8 divisors (see below), whose sum is σ = 331397064. Its totient is φ = 110274840.

The previous prime is 220740521. The next prime is 220740571. The reversal of 220740526 is 625047022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 220740494 and 220740503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220740521) 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, 44785 + ... + 49468.

It is an arithmetic number, because the mean of its divisors is an integer number (41424633).

Almost surely, 2^220740526 is an apocalyptic number.

220740526 is a deficient number, since it is larger than the sum of its proper divisors (110656538).

220740526 is a wasteful number, since it uses less digits than its factorization.

220740526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95426.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 220740526 is about 14857.3391291981. The cubic root of 220740526 is about 604.3576507737.

Adding to 220740526 its reverse (625047022), we get a palindrome (845787548).

The spelling of 220740526 in words is "two hundred twenty million, seven hundred forty thousand, five hundred twenty-six".