220700501 has 16 divisors (see below), whose sum is σ = 264649728. Its totient is φ = 180057600.

The previous prime is 220700497. The next prime is 220700507. The reversal of 220700501 is 105007022.

It is a cyclic number.

It is not a de Polignac number, because 220700501 - 2² = 220700497 is a prime.

It is a super-2 number, since 2×220700501² = 97417422283302002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220700501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220700507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4901 + ... + 21573.

It is an arithmetic number, because the mean of its divisors is an integer number (16540608).

Almost surely, 2^220700501 is an apocalyptic number.

It is an amenable number.

220700501 is a deficient number, since it is larger than the sum of its proper divisors (43949227).

220700501 is a wasteful number, since it uses less digits than its factorization.

220700501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16772.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 220700501 is about 14855.9920907356. The cubic root of 220700501 is about 604.3211208901.

Adding to 220700501 its reverse (105007022), we get a palindrome (325707523).

The spelling of 220700501 in words is "two hundred twenty million, seven hundred thousand, five hundred one".