20004022002 has 16 divisors (see below), whose sum is σ = 40938464160. Its totient is φ = 6512937312.

The previous prime is 20004021977. The next prime is 20004022033. The reversal of 20004022002 is 20022040002.

It is a happy number.

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, 38767227 + ... + 38767742.

It is an arithmetic number, because the mean of its divisors is an integer number (2558654010).

Almost surely, 2^20004022002 is an apocalyptic number.

20004022002 is an abundant number, since it is smaller than the sum of its proper divisors (20934442158).

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

20004022002 is a wasteful number, since it uses less digits than its factorization.

20004022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77535017.

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20004022002 its reverse (20022040002), we get a palindrome (40026062004).

The spelling of 20004022002 in words is "twenty billion, four million, twenty-two thousand, two".