21002020233310 has 16 divisors (see below), whose sum is σ = 37803839385600. Its totient is φ = 8400762989856.

The previous prime is 21002020233307. The next prime is 21002020233331. The reversal of 21002020233310 is 1333202020012.

It is a super-2 number, since 2×21002020233310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3648825 + ... + 7437604.

It is an arithmetic number, because the mean of its divisors is an integer number (2362739961600).

Almost surely, 2^{21002020233310} is an apocalyptic number.

21002020233310 is a deficient number, since it is larger than the sum of its proper divisors (16801819152290).

21002020233310 is a wasteful number, since it uses less digits than its factorization.

21002020233310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11275875.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21002020233310 its reverse (1333202020012), we get a palindrome (22335222253322).

The spelling of 21002020233310 in words is "twenty-one trillion, two billion, twenty million, two hundred thirty-three thousand, three hundred ten".