33000021300 has 72 divisors (see below), whose sum is σ = 95499297376. Its totient is φ = 8798232960.

The previous prime is 33000021293. The next prime is 33000021337. The reversal of 33000021300 is 312000033.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2244774 + ... + 2259426.

Almost surely, 2^33000021300 is an apocalyptic number.

33000021300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33000021300 is an abundant number, since it is smaller than the sum of its proper divisors (62499276076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33000021300 is a wasteful number, since it uses less digits than its factorization.

33000021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22177 (or 22170 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 33000021300 its reverse (312000033), we get a palindrome (33312021333).

The spelling of 33000021300 in words is "thirty-three billion, twenty-one thousand, three hundred".