220243051 has 16 divisors (see below), whose sum is σ = 254464000. Its totient is φ = 186725088.

The previous prime is 220243043. The next prime is 220243057. The reversal of 220243051 is 150342022.

It is a cyclic number.

It is not a de Polignac number, because 220243051 - 2³ = 220243043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220243057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310285 + ... + 310993.

It is an arithmetic number, because the mean of its divisors is an integer number (15904000).

Almost surely, 2^220243051 is an apocalyptic number.

220243051 is a deficient number, since it is larger than the sum of its proper divisors (34220949).

220243051 is a wasteful number, since it uses less digits than its factorization.

220243051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 220243051 is about 14840.5879600506. The cubic root of 220243051 is about 603.9033029053.

Adding to 220243051 its reverse (150342022), we get a palindrome (370585073).

The spelling of 220243051 in words is "two hundred twenty million, two hundred forty-three thousand, fifty-one".