20343413000 has 64 divisors (see below), whose sum is σ = 49245159600. Its totient is φ = 7856755200.

The previous prime is 20343412997. The next prime is 20343413009. The reversal of 20343413000 is 31434302.

It can be written as a sum of positive squares in 8 ways, for example, as 5089680964 + 15253732036 = 71342^2 + 123506^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20343413009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321749 + ... + 379748.

Almost surely, 2^20343413000 is an apocalyptic number.

20343413000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20343413000 is an abundant number, since it is smaller than the sum of its proper divisors (28901746600).

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

20343413000 is a wasteful number, since it uses less digits than its factorization.

20343413000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701547 (or 701533 counting only the distinct ones).

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

Adding to 20343413000 its reverse (31434302), we get a palindrome (20374847302).

The spelling of 20343413000 in words is "twenty billion, three hundred forty-three million, four hundred thirteen thousand".