20210002110002 has 8 divisors (see below), whose sum is σ = 30424443610476. Its totient is φ = 10068520906512.

The previous prime is 20210002109951. The next prime is 20210002110013. The reversal of 20210002110002 is 20001120001202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18301959930241 + 1908042179761 = 4278079^2 + 1381319^2 .

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, 18240073553 + ... + 18240074660.

Almost surely, 2^{20210002110002} is an apocalyptic number.

20210002110002 is a deficient number, since it is larger than the sum of its proper divisors (10214441500474).

20210002110002 is a wasteful number, since it uses less digits than its factorization.

20210002110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36480148492.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20210002110002 its reverse (20001120001202), we get a palindrome (40211122111204).

The spelling of 20210002110002 in words is "twenty trillion, two hundred ten billion, two million, one hundred ten thousand, two".