20333416272 has 80 divisors (see below), whose sum is σ = 56770408128. Its totient is φ = 6234117120.

The previous prime is 20333416249. The next prime is 20333416283. The reversal of 20333416272 is 27261433302.

It is a congruent number.

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, 117363 + ... + 233325.

Almost surely, 2^20333416272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20333416272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28385204064).

20333416272 is an abundant number, since it is smaller than the sum of its proper divisors (36436991856).

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

20333416272 is a wasteful number, since it uses less digits than its factorization.

20333416272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116268 (or 116262 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 33.

Adding to 20333416272 its reverse (27261433302), we get a palindrome (47594849574).

The spelling of 20333416272 in words is "twenty billion, three hundred thirty-three million, four hundred sixteen thousand, two hundred seventy-two".