20848213 has 16 divisors (see below), whose sum is σ = 22579200. Its totient is φ = 19209600.

The previous prime is 20848211. The next prime is 20848231. The reversal of 20848213 is 31284802.

It is a cyclic number.

It is not a de Polignac number, because 20848213 - 2¹ = 20848211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20848211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59563 + ... + 59911.

It is an arithmetic number, because the mean of its divisors is an integer number (1411200).

Almost surely, 2^20848213 is an apocalyptic number.

It is an amenable number.

20848213 is a deficient number, since it is larger than the sum of its proper divisors (1730987).

20848213 is a wasteful number, since it uses less digits than its factorization.

20848213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 20848213 is about 4565.9843407528. The cubic root of 20848213 is about 275.2260972539.

The spelling of 20848213 in words is "twenty million, eight hundred forty-eight thousand, two hundred thirteen".