20662040022 has 32 divisors (see below), whose sum is σ = 44533853952. Its totient is φ = 6353122464.

The previous prime is 20662039919. The next prime is 20662040033. The reversal of 20662040022 is 22004026602.

It is a junction number, because it is equal to n+sod(n) for n = 20662039974 and 20662040001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21333 + ... + 204399.

It is an arithmetic number, because the mean of its divisors is an integer number (1391682936).

Almost surely, 2^20662040022 is an apocalyptic number.

20662040022 is an abundant number, since it is smaller than the sum of its proper divisors (23871813930).

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

20662040022 is a wasteful number, since it uses less digits than its factorization.

20662040022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184532.

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

Adding to 20662040022 its reverse (22004026602), we get a palindrome (42666066624).

It can be divided in two parts, 206620 and 40022, that added together give a palindrome (246642).

The spelling of 20662040022 in words is "twenty billion, six hundred sixty-two million, forty thousand, twenty-two".