20022420224 has 18 divisors (see below), whose sum is σ = 39966628380. Its totient is φ = 10011209984.

The previous prime is 20022420199. The next prime is 20022420277. The reversal of 20022420224 is 42202422002.

It is a junction number, because it is equal to n+sod(n) for n = 20022420196 and 20022420205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39106034 + ... + 39106545.

Almost surely, 2^20022420224 is an apocalyptic number.

It is an amenable number.

20022420224 is a deficient number, since it is larger than the sum of its proper divisors (19944208156).

20022420224 is an frugal number, since it uses more digits than its factorization.

20022420224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78212595 (or 78212581 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20022420224 its reverse (42202422002), we get a palindrome (62224842226).

The spelling of 20022420224 in words is "twenty billion, twenty-two million, four hundred twenty thousand, two hundred twenty-four".