21270363026 has 32 divisors (see below), whose sum is σ = 36031176000. Its totient is φ = 9328495680.

The previous prime is 21270362989. The next prime is 21270363047. The reversal of 21270363026 is 62036307212.

It is a junction number, because it is equal to n+sod(n) for n = 21270362983 and 21270363001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 977501 + ... + 999023.

It is an arithmetic number, because the mean of its divisors is an integer number (1125974250).

Almost surely, 2^21270363026 is an apocalyptic number.

21270363026 is a deficient number, since it is larger than the sum of its proper divisors (14760812974).

21270363026 is a wasteful number, since it uses less digits than its factorization.

21270363026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23114.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 21270363026 in words is "twenty-one billion, two hundred seventy million, three hundred sixty-three thousand, twenty-six".