20220022020004 has 24 divisors (see below), whose sum is σ = 35611180917368. Its totient is φ = 10045401649920.

The previous prime is 20220022019999. The next prime is 20220022020013. The reversal of 20220022020004 is 40002022002202.

It can be written as a sum of positive squares in 4 ways, for example, as 3861232860004 + 16358789160000 = 1965002^2 + 4044600^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20220022020004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31446592 + ... + 32083144.

Almost surely, 2^{20220022020004} is an apocalyptic number.

It is an amenable number.

20220022020004 is a deficient number, since it is larger than the sum of its proper divisors (15391158897364).

20220022020004 is a wasteful number, since it uses less digits than its factorization.

20220022020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687295 (or 687293 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20220022020004 its reverse (40002022002202), we get a palindrome (60222044022206).

The spelling of 20220022020004 in words is "twenty trillion, two hundred twenty billion, twenty-two million, twenty thousand, four".