20224562 has 8 divisors (see below), whose sum is σ = 31076892. Its totient is φ = 9865600.

The previous prime is 20224559. The next prime is 20224579. The reversal of 20224562 is 26542202.

It can be written as a sum of positive squares in 2 ways, for example, as 20151121 + 73441 = 4489^2 + 271^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 123239 + ... + 123402.

Almost surely, 2^20224562 is an apocalyptic number.

20224562 is a deficient number, since it is larger than the sum of its proper divisors (10852330).

20224562 is a wasteful number, since it uses less digits than its factorization.

20224562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246684.

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

The square root of 20224562 is about 4497.1726673545. The cubic root of 20224562 is about 272.4539079801.

Adding to 20224562 its reverse (26542202), we get a palindrome (46766764).

The spelling of 20224562 in words is "twenty million, two hundred twenty-four thousand, five hundred sixty-two".