20002212122002 has 16 divisors (see below), whose sum is σ = 33125240669472. Its totient is φ = 8982373460320.

The previous prime is 20002212121943. The next prime is 20002212122023. The reversal of 20002212122002 is 20022121220002.

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, 5477055163 + ... + 5477058814.

It is an arithmetic number, because the mean of its divisors is an integer number (2070327541842).

Almost surely, 2^{20002212122002} is an apocalyptic number.

20002212122002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002212122002 is a deficient number, since it is larger than the sum of its proper divisors (13123028547470).

20002212122002 is a wasteful number, since it uses less digits than its factorization.

20002212122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10954114073.

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

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

The spelling of 20002212122002 in words is "twenty trillion, two billion, two hundred twelve million, one hundred twenty-two thousand, two".