21035233210 has 64 divisors (see below), whose sum is σ = 40159494144. Its totient is φ = 7920360000.

The previous prime is 21035233199. The next prime is 21035233223. The reversal of 21035233210 is 1233253012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3342687 + ... + 3348973.

It is an arithmetic number, because the mean of its divisors is an integer number (627492096).

Almost surely, 2^21035233210 is an apocalyptic number.

21035233210 is a deficient number, since it is larger than the sum of its proper divisors (19124260934).

21035233210 is a wasteful number, since it uses less digits than its factorization.

21035233210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6619.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 21035233210 its reverse (1233253012), we get a palindrome (22268486222).

The spelling of 21035233210 in words is "twenty-one billion, thirty-five million, two hundred thirty-three thousand, two hundred ten".