20494348 has 36 divisors (see below), whose sum is σ = 43079232. Its totient is φ = 8497440.

The previous prime is 20494343. The next prime is 20494351. The reversal of 20494348 is 84349402.

It is not an unprimeable number, because it can be changed into a prime (20494343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4390 + ... + 7762.

Almost surely, 2^20494348 is an apocalyptic number.

20494348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20494348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21539616).

20494348 is an abundant number, since it is smaller than the sum of its proper divisors (22584884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20494348 is a wasteful number, since it uses less digits than its factorization.

20494348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422 (or 3413 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 20494348 is about 4527.0683670561. The cubic root of 20494348 is about 273.6600290921.

The spelling of 20494348 in words is "twenty million, four hundred ninety-four thousand, three hundred forty-eight".