220213544 has 16 divisors (see below), whose sum is σ = 413769600. Its totient is φ = 109874992.

The previous prime is 220213541. The next prime is 220213577. The reversal of 220213544 is 445312022.

It is a happy number.

It is a super-2 number, since 2×220213544² = 96988009922079872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220213541) 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, 24902 + ... + 32565.

It is an arithmetic number, because the mean of its divisors is an integer number (25860600).

Almost surely, 2^220213544 is an apocalyptic number.

It is an amenable number.

220213544 is a deficient number, since it is larger than the sum of its proper divisors (193556056).

220213544 is a wasteful number, since it uses less digits than its factorization.

220213544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57952 (or 57948 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 220213544 is about 14839.5937949797. The cubic root of 220213544 is about 603.8763324432.

Adding to 220213544 its reverse (445312022), we get a palindrome (665525566).

The spelling of 220213544 in words is "two hundred twenty million, two hundred thirteen thousand, five hundred forty-four".