20847022 has 16 divisors (see below), whose sum is σ = 35814240. Its totient is φ = 8915328.

The previous prime is 20847017. The next prime is 20847053. The reversal of 20847022 is 22074802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6658 + ... + 9274.

It is an arithmetic number, because the mean of its divisors is an integer number (2238390).

Almost surely, 2^20847022 is an apocalyptic number.

20847022 is a deficient number, since it is larger than the sum of its proper divisors (14967218).

20847022 is a wasteful number, since it uses less digits than its factorization.

20847022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 20847022 is about 4565.8539179435. The cubic root of 20847022 is about 275.2208561888.

The spelling of 20847022 in words is "twenty million, eight hundred forty-seven thousand, twenty-two".