20342300 has 36 divisors (see below), whose sum is σ = 48158376. Its totient is φ = 7396800.

The previous prime is 20342269. The next prime is 20342303. The reversal of 20342300 is 324302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342303) 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, 8147 + ... + 10346.

Almost surely, 2^20342300 is an apocalyptic number.

20342300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20342300 is an abundant number, since it is smaller than the sum of its proper divisors (27816076).

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

20342300 is a wasteful number, since it uses less digits than its factorization.

20342300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18518 (or 18511 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 20342300 is about 4510.2438958442. The cubic root of 20342300 is about 272.9815853439.

Adding to 20342300 its reverse (324302), we get a palindrome (20666602).

It can be divided in two parts, 2034 and 2300, that added together give a palindrome (4334).

The spelling of 20342300 in words is "twenty million, three hundred forty-two thousand, three hundred".