20011232133300 has 72 divisors (see below), whose sum is σ = 57905715672000. Its totient is φ = 5335724817920.

The previous prime is 20011232133281. The next prime is 20011232133317. The reversal of 20011232133300 is 333123211002.

It is a super-2 number, since 2×20011232133300² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1114320 + ... + 6423719.

It is an arithmetic number, because the mean of its divisors is an integer number (804246051000).

Almost surely, 2^{20011232133300} is an apocalyptic number.

20011232133300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20011232133300 is an abundant number, since it is smaller than the sum of its proper divisors (37894483538700).

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

20011232133300 is a wasteful number, since it uses less digits than its factorization.

20011232133300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7546905 (or 7546898 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20011232133300 its reverse (333123211002), we get a palindrome (20344355344302).

The spelling of 20011232133300 in words is "twenty trillion, eleven billion, two hundred thirty-two million, one hundred thirty-three thousand, three hundred".