20340012300 has 36 divisors (see below), whose sum is σ = 58850436456. Its totient is φ = 5424003200.

The previous prime is 20340012269. The next prime is 20340012313. The reversal of 20340012300 is 321004302.

It is a super-2 number, since 2×20340012300² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20340012300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33899721 + ... + 33900320.

It is an arithmetic number, because the mean of its divisors is an integer number (1634734346).

Almost surely, 2^20340012300 is an apocalyptic number.

20340012300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20340012300 is an abundant number, since it is smaller than the sum of its proper divisors (38510424156).

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

20340012300 is a wasteful number, since it uses less digits than its factorization.

20340012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67800058 (or 67800051 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20340012300 its reverse (321004302), we get a palindrome (20661016602).

The spelling of 20340012300 in words is "twenty billion, three hundred forty million, twelve thousand, three hundred".