20011450003272 has 384 divisors, whose sum is σ = 69287515315200. Its totient is φ = 5269189978368.

The previous prime is 20011450003253. The next prime is 20011450003379. The reversal of 20011450003272 is 27230005411002.

20011450003272 is a `hidden beast` number, since 20 + 0 + 114 + 500 + 0 + 3 + 27 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 109412203 + ... + 109594949.

It is an arithmetic number, because the mean of its divisors is an integer number (180436237800).

Almost surely, 2^{20011450003272} 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 20011450003272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34643757657600).

20011450003272 is an abundant number, since it is smaller than the sum of its proper divisors (49276065311928).

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

20011450003272 is a wasteful number, since it uses less digits than its factorization.

20011450003272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183407 (or 183391 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

Adding to 20011450003272 its reverse (27230005411002), we get a palindrome (47241455414274).

The spelling of 20011450003272 in words is "twenty trillion, eleven billion, four hundred fifty million, three thousand, two hundred seventy-two".