20841070 has 8 divisors (see below), whose sum is σ = 37513944. Its totient is φ = 8336424.

The previous prime is 20841049. The next prime is 20841089. The reversal of 20841070 is 7014802.

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

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, 1042044 + ... + 1042063.

It is an arithmetic number, because the mean of its divisors is an integer number (4689243).

Almost surely, 2^20841070 is an apocalyptic number.

20841070 is a deficient number, since it is larger than the sum of its proper divisors (16672874).

20841070 is a wasteful number, since it uses less digits than its factorization.

20841070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084114.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 20841070 is about 4565.2020765789. The cubic root of 20841070 is about 275.1946610731.

Adding to 20841070 its reverse (7014802), we get a palindrome (27855872).

The spelling of 20841070 in words is "twenty million, eight hundred forty-one thousand, seventy".