21044051230 has 16 divisors (see below), whose sum is σ = 37880970624. Its totient is φ = 8417247520.

The previous prime is 21044051131. The next prime is 21044051269. The reversal of 21044051230 is 3215044012.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 355560 + ... + 410500.

It is an arithmetic number, because the mean of its divisors is an integer number (2367560664).

Almost surely, 2^21044051230 is an apocalyptic number.

21044051230 is a deficient number, since it is larger than the sum of its proper divisors (16836919394).

21044051230 is a wasteful number, since it uses less digits than its factorization.

21044051230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93251.

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

Adding to 21044051230 its reverse (3215044012), we get a palindrome (24259095242).

The spelling of 21044051230 in words is "twenty-one billion, forty-four million, fifty-one thousand, two hundred thirty".