20342348 has 12 divisors (see below), whose sum is σ = 38337600. Its totient is φ = 9388752.

The previous prime is 20342347. The next prime is 20342351. The reversal of 20342348 is 84324302.

It is a super-2 number, since 2×20342348² = 827622244306208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (20342347) 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, 195548 + ... + 195651.

It is an arithmetic number, because the mean of its divisors is an integer number (3194800).

Almost surely, 2^20342348 is an apocalyptic number.

It is an amenable number.

20342348 is a deficient number, since it is larger than the sum of its proper divisors (17995252).

20342348 is a wasteful number, since it uses less digits than its factorization.

20342348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391216 (or 391214 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 20342348 is about 4510.2492170611. The cubic root of 20342348 is about 272.9818000542.

The spelling of 20342348 in words is "twenty million, three hundred forty-two thousand, three hundred forty-eight".