20022420040004 has 12 divisors (see below), whose sum is σ = 35092893933804. Its totient is φ = 9995878916064.

The previous prime is 20022420040003. The next prime is 20022420040009. The reversal of 20022420040004 is 40004002422002.

It can be written as a sum of positive squares in 2 ways, for example, as 10849711332100 + 9172708707904 = 3293890^2 + 3028648^2 .

It is not an unprimeable number, because it can be changed into a prime (20022420040003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3832773047 + ... + 3832778270.

It is an arithmetic number, because the mean of its divisors is an integer number (2924407827817).

Almost surely, 2^{20022420040004} is an apocalyptic number.

It is an amenable number.

20022420040004 is a deficient number, since it is larger than the sum of its proper divisors (15070473893800).

20022420040004 is a wasteful number, since it uses less digits than its factorization.

20022420040004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7665551974 (or 7665551972 counting only the distinct ones).

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

Adding to 20022420040004 its reverse (40004002422002), we get a palindrome (60026422462006).

The spelling of 20022420040004 in words is "twenty trillion, twenty-two billion, four hundred twenty million, forty thousand, four".