20204420420002 has 16 divisors (see below), whose sum is σ = 37300468468032. Its totient is φ = 7992957528720.

The previous prime is 20204420419973. The next prime is 20204420420071. The reversal of 20204420420002 is 20002402440202.

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, 55506649324 + ... + 55506649687.

It is an arithmetic number, because the mean of its divisors is an integer number (2331279279252).

Almost surely, 2^{20204420420002} is an apocalyptic number.

20204420420002 is a deficient number, since it is larger than the sum of its proper divisors (17096048048030).

20204420420002 is a wasteful number, since it uses less digits than its factorization.

20204420420002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111013299033.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20204420420002 its reverse (20002402440202), we get a palindrome (40206822860204).

The spelling of 20204420420002 in words is "twenty trillion, two hundred four billion, four hundred twenty million, four hundred twenty thousand, two".