20102222021002 has 32 divisors (see below), whose sum is σ = 32913761102784. Its totient is φ = 9132036825600.

The previous prime is 20102222020997. The next prime is 20102222021003. The reversal of 20102222021002 is 20012022220102.

It is not an unprimeable number, because it can be changed into a prime (20102222021003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636674488 + ... + 636706060.

It is an arithmetic number, because the mean of its divisors is an integer number (1028555034462).

Almost surely, 2^{20102222021002} is an apocalyptic number.

20102222021002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20102222021002 is a deficient number, since it is larger than the sum of its proper divisors (12811539081782).

20102222021002 is a wasteful number, since it uses less digits than its factorization.

20102222021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47574.

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

Adding to 20102222021002 its reverse (20012022220102), we get a palindrome (40114244241104).

The spelling of 20102222021002 in words is "twenty trillion, one hundred two billion, two hundred twenty-two million, twenty-one thousand, two".