21033300410 has 32 divisors (see below), whose sum is σ = 38925100800. Its totient is φ = 8179022272.

The previous prime is 21033300377. The next prime is 21033300427. The reversal of 21033300410 is 1400333012.

It is a happy number.

It is a super-2 number, since 2×21033300410² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80144 + ... + 220203.

It is an arithmetic number, because the mean of its divisors is an integer number (1216409400).

Almost surely, 2^21033300410 is an apocalyptic number.

21033300410 is a deficient number, since it is larger than the sum of its proper divisors (17891800390).

21033300410 is a wasteful number, since it uses less digits than its factorization.

21033300410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300550.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21033300410 its reverse (1400333012), we get a palindrome (22433633422).

The spelling of 21033300410 in words is "twenty-one billion, thirty-three million, three hundred thousand, four hundred ten".