21342410300 has 72 divisors (see below), whose sum is σ = 50362807824. Its totient is φ = 7817610240.

The previous prime is 21342410291. The next prime is 21342410303. The reversal of 21342410300 is 301424312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21342410303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106754 + ... + 232553.

It is an arithmetic number, because the mean of its divisors is an integer number (699483442).

Almost surely, 2^21342410300 is an apocalyptic number.

21342410300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21342410300 is an abundant number, since it is smaller than the sum of its proper divisors (29020397524).

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

21342410300 is a wasteful number, since it uses less digits than its factorization.

21342410300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339375 (or 339368 counting only the distinct ones).

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

Adding to 21342410300 its reverse (301424312), we get a palindrome (21643834612).

The spelling of 21342410300 in words is "twenty-one billion, three hundred forty-two million, four hundred ten thousand, three hundred".