20224626 has 16 divisors (see below), whose sum is σ = 42578400. Its totient is φ = 6386688.

The previous prime is 20224621. The next prime is 20224651. The reversal of 20224626 is 62642202.

It is a junction number, because it is equal to n+sod(n) for n = 20224596 and 20224605.

It is not an unprimeable number, because it can be changed into a prime (20224621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88591 + ... + 88818.

It is an arithmetic number, because the mean of its divisors is an integer number (2661150).

Almost surely, 2^20224626 is an apocalyptic number.

20224626 is an abundant number, since it is smaller than the sum of its proper divisors (22353774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20224626 is a wasteful number, since it uses less digits than its factorization.

20224626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177433.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20224626 is about 4497.1797829306. The cubic root of 20224626 is about 272.4541953704.

Adding to 20224626 its reverse (62642202), we get a palindrome (82866828).

The spelling of 20224626 in words is "twenty million, two hundred twenty-four thousand, six hundred twenty-six".