20133233020 has 24 divisors (see below), whose sum is σ = 43179361344. Its totient is φ = 7881946176.

The previous prime is 20133233009. The next prime is 20133233051. The reversal of 20133233020 is 2033233102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10708227 + ... + 10710106.

It is an arithmetic number, because the mean of its divisors is an integer number (1799140056).

Almost surely, 2^20133233020 is an apocalyptic number.

20133233020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133233020 is an abundant number, since it is smaller than the sum of its proper divisors (23046128324).

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

20133233020 is a wasteful number, since it uses less digits than its factorization.

20133233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21418389 (or 21418387 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20133233020 its reverse (2033233102), we get a palindrome (22166466122).

The spelling of 20133233020 in words is "twenty billion, one hundred thirty-three million, two hundred thirty-three thousand, twenty".