20011102212300 has 72 divisors (see below), whose sum is σ = 57904468168512. Its totient is φ = 5335770504000.

The previous prime is 20011102212223. The next prime is 20011102212323. The reversal of 20011102212300 is 321220111002.

It is a super-2 number, since 2×20011102212300² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20011102212300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202966 + ... + 6329565.

Almost surely, 2^{20011102212300} is an apocalyptic number.

20011102212300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20011102212300 is an abundant number, since it is smaller than the sum of its proper divisors (37893365956212).

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

20011102212300 is a wasteful number, since it uses less digits than its factorization.

20011102212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542759 (or 6542752 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20011102212300 its reverse (321220111002), we get a palindrome (20332322323302).

The spelling of 20011102212300 in words is "twenty trillion, eleven billion, one hundred two million, two hundred twelve thousand, three hundred".