20349348 has 12 divisors (see below), whose sum is σ = 47481840. Its totient is φ = 6783112.

The previous prime is 20349347. The next prime is 20349349. The reversal of 20349348 is 84394302.

It is an interprime number because it is at equal distance from previous prime (20349347) and next prime (20349349).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20349347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847878 + ... + 847901.

It is an arithmetic number, because the mean of its divisors is an integer number (3956820).

Almost surely, 2^20349348 is an apocalyptic number.

It is an amenable number.

20349348 is an abundant number, since it is smaller than the sum of its proper divisors (27132492).

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

20349348 is a wasteful number, since it uses less digits than its factorization.

20349348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695786 (or 1695784 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 20349348 is about 4511.0251606481. The cubic root of 20349348 is about 273.0131083617.

The spelling of 20349348 in words is "twenty million, three hundred forty-nine thousand, three hundred forty-eight".