20022243216 has 20 divisors (see below), whose sum is σ = 51724128432. Its totient is φ = 6674081056.

The previous prime is 20022243211. The next prime is 20022243229. The reversal of 20022243216 is 61234222002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20022243211) 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 3 ways as a sum of consecutive naturals, for example, 208564986 + ... + 208565081.

Almost surely, 2^20022243216 is an apocalyptic number.

It is an amenable number.

20022243216 is an abundant number, since it is smaller than the sum of its proper divisors (31701885216).

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

20022243216 is a wasteful number, since it uses less digits than its factorization.

20022243216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417130078 (or 417130072 counting only the distinct ones).

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

Adding to 20022243216 its reverse (61234222002), we get a palindrome (81256465218).

The spelling of 20022243216 in words is "twenty billion, twenty-two million, two hundred forty-three thousand, two hundred sixteen".