21056064230 has 8 divisors (see below), whose sum is σ = 37900915632. Its totient is φ = 8422425688.

The previous prime is 21056064179. The next prime is 21056064257. The reversal of 21056064230 is 3246065012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21056064193 and 21056064202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052803202 + ... + 1052803221.

It is an arithmetic number, because the mean of its divisors is an integer number (4737614454).

Almost surely, 2^21056064230 is an apocalyptic number.

21056064230 is a deficient number, since it is larger than the sum of its proper divisors (16844851402).

21056064230 is a wasteful number, since it uses less digits than its factorization.

21056064230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105606430.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 21056064230 in words is "twenty-one billion, fifty-six million, sixty-four thousand, two hundred thirty".