21044152300 has 18 divisors (see below), whose sum is σ = 45665810708. Its totient is φ = 8417660880.

The previous prime is 21044152247. The next prime is 21044152319. The reversal of 21044152300 is 325144012.

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, 105220662 + ... + 105220861.

Almost surely, 2^21044152300 is an apocalyptic number.

21044152300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21044152300 is an abundant number, since it is smaller than the sum of its proper divisors (24621658408).

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

21044152300 is a wasteful number, since it uses less digits than its factorization.

21044152300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210441537 (or 210441530 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 21044152300 its reverse (325144012), we get a palindrome (21369296312).

The spelling of 21044152300 in words is "twenty-one billion, forty-four million, one hundred fifty-two thousand, three hundred".