20848346 has 4 divisors (see below), whose sum is σ = 31272522. Its totient is φ = 10424172.

The previous prime is 20848343. The next prime is 20848357. The reversal of 20848346 is 64384802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64384802 = 2 ⋅32192401.

It can be written as a sum of positive squares in only one way, i.e., 20151121 + 697225 = 4489^2 + 835^2 .

It is not an unprimeable number, because it can be changed into a prime (20848343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5212085 + ... + 5212088.

Almost surely, 2^20848346 is an apocalyptic number.

20848346 is a deficient number, since it is larger than the sum of its proper divisors (10424176).

20848346 is a wasteful number, since it uses less digits than its factorization.

20848346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10424175.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 20848346 is about 4565.9989049495. The cubic root of 20848346 is about 275.2266825157.

The spelling of 20848346 in words is "twenty million, eight hundred forty-eight thousand, three hundred forty-six".