20022121220002 has 16 divisors (see below), whose sum is σ = 32799594020832. Its totient is φ = 9090930042720.

The previous prime is 20022121219981. The next prime is 20022121220029. The reversal of 20022121220002 is 20002212122002.

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, 501687003 + ... + 501726910.

It is an arithmetic number, because the mean of its divisors is an integer number (2049974626302).

Almost surely, 2^{20022121220002} is an apocalyptic number.

20022121220002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20022121220002 is a deficient number, since it is larger than the sum of its proper divisors (12777472800830).

20022121220002 is a wasteful number, since it uses less digits than its factorization.

20022121220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003414833.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20022121220002 its reverse (20002212122002), we get a palindrome (40024333342004).

It can be divided in two parts, 2002212122000 and 2, that added together give a palindrome (2002212122002).

The spelling of 20022121220002 in words is "twenty trillion, twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, two".