21140020403300 has 36 divisors (see below), whose sum is σ = 45882361101360. Its totient is φ = 8454438239520.

The previous prime is 21140020403297. The next prime is 21140020403317. The reversal of 21140020403300 is 330402004112.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 11 ways as a sum of consecutive naturals, for example, 19082630 + ... + 20160029.

Almost surely, 2^{21140020403300} is an apocalyptic number.

21140020403300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21140020403300 is an abundant number, since it is smaller than the sum of its proper divisors (24742340698060).

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

21140020403300 is a wasteful number, since it uses less digits than its factorization.

21140020403300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39248060 (or 39248053 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21140020403300 its reverse (330402004112), we get a palindrome (21470422407412).

The spelling of 21140020403300 in words is "twenty-one trillion, one hundred forty billion, twenty million, four hundred three thousand, three hundred".