20894207270 has 8 divisors (see below), whose sum is σ = 37609573104. Its totient is φ = 8357682904.

The previous prime is 20894207267. The next prime is 20894207273. The reversal of 20894207270 is 7270249802.

It is an interprime number because it is at equal distance from previous prime (20894207267) and next prime (20894207273).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20894207273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044710354 + ... + 1044710373.

It is an arithmetic number, because the mean of its divisors is an integer number (4701196638).

Almost surely, 2^20894207270 is an apocalyptic number.

20894207270 is a deficient number, since it is larger than the sum of its proper divisors (16715365834).

20894207270 is a wasteful number, since it uses less digits than its factorization.

20894207270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089420734.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 20894207270 in words is "twenty billion, eight hundred ninety-four million, two hundred seven thousand, two hundred seventy".