20533233300 has 36 divisors (see below), whose sum is σ = 59409489216. Its totient is φ = 5475528800.

The previous prime is 20533233289. The next prime is 20533233307. The reversal of 20533233300 is 333233502.

It is a super-2 number, since 2×20533233300² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20533233307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34221756 + ... + 34222355.

Almost surely, 2^20533233300 is an apocalyptic number.

20533233300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20533233300 is an abundant number, since it is smaller than the sum of its proper divisors (38876255916).

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

20533233300 is a wasteful number, since it uses less digits than its factorization.

20533233300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68444128 (or 68444121 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 24.

Adding to 20533233300 its reverse (333233502), we get a palindrome (20866466802).

The spelling of 20533233300 in words is "twenty billion, five hundred thirty-three million, two hundred thirty-three thousand, three hundred".