20021012220002 has 16 divisors (see below), whose sum is σ = 31850961711552. Its totient is φ = 9418295127120.

The previous prime is 20021012219963. The next prime is 20021012220031. The reversal of 20021012220002 is 20002221012002.

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, 3567533228 + ... + 3567538839.

It is an arithmetic number, because the mean of its divisors is an integer number (1990685106972).

Almost surely, 2^{20021012220002} is an apocalyptic number.

20021012220002 is a deficient number, since it is larger than the sum of its proper divisors (11829949491550).

20021012220002 is a wasteful number, since it uses less digits than its factorization.

20021012220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7135072153.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20021012220002 its reverse (20002221012002), we get a palindrome (40023233232004).

The spelling of 20021012220002 in words is "twenty trillion, twenty-one billion, twelve million, two hundred twenty thousand, two".