20021012210002 has 8 divisors (see below), whose sum is σ = 30031632525312. Its totient is φ = 10010468034900.

The previous prime is 20021012209969. The next prime is 20021012210029. The reversal of 20021012210002 is 20001221012002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18373074 + ... + 19432237.

It is an arithmetic number, because the mean of its divisors is an integer number (3753954065664).

Almost surely, 2^{20021012210002} is an apocalyptic number.

20021012210002 is a deficient number, since it is larger than the sum of its proper divisors (10010620315310).

20021012210002 is a wasteful number, since it uses less digits than its factorization.

20021012210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38070104.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20021012210002 its reverse (20001221012002), we get a palindrome (40022233222004).

The spelling of 20021012210002 in words is "twenty trillion, twenty-one billion, twelve million, two hundred ten thousand, two".