20002220222002 has 16 divisors (see below), whose sum is σ = 30419858482560. Its totient is φ = 9862573554288.

The previous prime is 20002220221999. The next prime is 20002220222021. The reversal of 20002220222002 is 20022202220002.

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, 76408833 + ... + 76670164.

It is an arithmetic number, because the mean of its divisors is an integer number (1901241155160).

Almost surely, 2^{20002220222002} is an apocalyptic number.

20002220222002 is a deficient number, since it is larger than the sum of its proper divisors (10417638260558).

20002220222002 is a wasteful number, since it uses less digits than its factorization.

20002220222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153079905.

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

Adding to 20002220222002 its reverse (20022202220002), we get a palindrome (40024422442004).

The spelling of 20002220222002 in words is "twenty trillion, two billion, two hundred twenty million, two hundred twenty-two thousand, two".