21342032300 has 18 divisors (see below), whose sum is σ = 46312210308. Its totient is φ = 8536812880.

The previous prime is 21342032279. The next prime is 21342032317. The reversal of 21342032300 is 323024312.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106710062 + ... + 106710261.

Almost surely, 2^21342032300 is an apocalyptic number.

21342032300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21342032300 is an abundant number, since it is smaller than the sum of its proper divisors (24970178008).

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

21342032300 is a wasteful number, since it uses less digits than its factorization.

21342032300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213420337 (or 213420330 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 21342032300 its reverse (323024312), we get a palindrome (21665056612).

The spelling of 21342032300 in words is "twenty-one billion, three hundred forty-two million, thirty-two thousand, three hundred".