20413343000 has 64 divisors (see below), whose sum is σ = 47888474400. Its totient is φ = 8144611200.

The previous prime is 20413342993. The next prime is 20413343023. The reversal of 20413343000 is 34331402.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371291 + ... + 422709.

Almost surely, 2^20413343000 is an apocalyptic number.

20413343000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20413343000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23944237200).

20413343000 is an abundant number, since it is smaller than the sum of its proper divisors (27475131400).

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

20413343000 is a wasteful number, since it uses less digits than its factorization.

20413343000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51837 (or 51823 counting only the distinct ones).

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

Adding to 20413343000 its reverse (34331402), we get a palindrome (20447674402).

The spelling of 20413343000 in words is "twenty billion, four hundred thirteen million, three hundred forty-three thousand".