20343122300 has 36 divisors (see below), whose sum is σ = 44229419136. Its totient is φ = 8121609600.

The previous prime is 20343122299. The next prime is 20343122309. The reversal of 20343122300 is 322134302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20343122309) by changing a digit.

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, 143132 + ... + 247331.

It is an arithmetic number, because the mean of its divisors is an integer number (1228594976).

Almost surely, 2^20343122300 is an apocalyptic number.

20343122300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20343122300 is an abundant number, since it is smaller than the sum of its proper divisors (23886296836).

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

20343122300 is a wasteful number, since it uses less digits than its factorization.

20343122300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390998 (or 390991 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20343122300 its reverse (322134302), we get a palindrome (20665256602).

The spelling of 20343122300 in words is "twenty billion, three hundred forty-three million, one hundred twenty-two thousand, three hundred".