20022221201002 has 24 divisors (see below), whose sum is σ = 31911297146784. Its totient is φ = 9420043023552.

The previous prime is 20022221200999. The next prime is 20022221201033. The reversal of 20022221201002 is 20010212222002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1501828 + ... + 6503839.

It is an arithmetic number, because the mean of its divisors is an integer number (1329637381116).

Almost surely, 2^{20022221201002} is an apocalyptic number.

20022221201002 is a deficient number, since it is larger than the sum of its proper divisors (11889075945782).

20022221201002 is a wasteful number, since it uses less digits than its factorization.

20022221201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010030 (or 8010013 counting only the distinct ones).

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

Adding to 20022221201002 its reverse (20010212222002), we get a palindrome (40032433423004).

The spelling of 20022221201002 in words is "twenty trillion, twenty-two billion, two hundred twenty-one million, two hundred one thousand, two".