20620066224 has 40 divisors (see below), whose sum is σ = 56401948080. Its totient is φ = 6469040128.

The previous prime is 20620066223. The next prime is 20620066307. The reversal of 20620066224 is 42266002602.

It is a junction number, because it is equal to n+sod(n) for n = 20620066191 and 20620066200.

It is not an unprimeable number, because it can be changed into a prime (20620066223) 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 7 ways as a sum of consecutive naturals, for example, 12634029 + ... + 12635660.

It is an arithmetic number, because the mean of its divisors is an integer number (1410048702).

Almost surely, 2^20620066224 is an apocalyptic number.

20620066224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20620066224 is an abundant number, since it is smaller than the sum of its proper divisors (35781881856).

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

20620066224 is a wasteful number, since it uses less digits than its factorization.

20620066224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25269717 (or 25269711 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 20620066224 its reverse (42266002602), we get a palindrome (62886068826).

The spelling of 20620066224 in words is "twenty billion, six hundred twenty million, sixty-six thousand, two hundred twenty-four".