21014402300 has 18 divisors (see below), whose sum is σ = 45601253208. Its totient is φ = 8405760880.

The previous prime is 21014402267. The next prime is 21014402309. The reversal of 21014402300 is 320441012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21014402309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105071912 + ... + 105072111.

It is an arithmetic number, because the mean of its divisors is an integer number (2533402956).

Almost surely, 2^21014402300 is an apocalyptic number.

21014402300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21014402300 is an abundant number, since it is smaller than the sum of its proper divisors (24586850908).

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

21014402300 is a wasteful number, since it uses less digits than its factorization.

21014402300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210144037 (or 210144030 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21014402300 its reverse (320441012), we get a palindrome (21334843312).

The spelling of 21014402300 in words is "twenty-one billion, fourteen million, four hundred two thousand, three hundred".