21300563026 has 8 divisors (see below), whose sum is σ = 31990243824. Its totient is φ = 10637148420.

The previous prime is 21300563003. The next prime is 21300563027. The reversal of 21300563026 is 62036500312.

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 = 21300562985 and 21300563003.

It is not an unprimeable number, because it can be changed into a prime (21300563027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6564520 + ... + 6567763.

It is an arithmetic number, because the mean of its divisors is an integer number (3998780478).

Almost surely, 2^21300563026 is an apocalyptic number.

21300563026 is a deficient number, since it is larger than the sum of its proper divisors (10689680798).

21300563026 is a wasteful number, since it uses less digits than its factorization.

21300563026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13133096.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 21300563026 in words is "twenty-one billion, three hundred million, five hundred sixty-three thousand, twenty-six".