20344300350 has 384 divisors, whose sum is σ = 62481715200. Its totient is φ = 4316313600.

The previous prime is 20344300303. The next prime is 20344300357. The reversal of 20344300350 is 5300344302.

It is a self number, because there is not a number n which added to its sum of digits gives 20344300350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344300357) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 31443727 + ... + 31444373.

It is an arithmetic number, because the mean of its divisors is an integer number (162712800).

Almost surely, 2^20344300350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20344300350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31240857600).

20344300350 is an abundant number, since it is smaller than the sum of its proper divisors (42137414850).

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

20344300350 is a wasteful number, since it uses less digits than its factorization.

20344300350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 20344300350 its reverse (5300344302), we get a palindrome (25644644652).

The spelling of 20344300350 in words is "twenty billion, three hundred forty-four million, three hundred thousand, three hundred fifty".