20344331641350 has 48 divisors (see below), whose sum is σ = 50456310620688. Its totient is φ = 5424900464640.

The previous prime is 20344331641331. The next prime is 20344331641357. The reversal of 20344331641350 is 5314613344302.

It is a junction number, because it is equal to n+sod(n) for n = 20344331641299 and 20344331641308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344331641357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34242 + ... + 6378858.

It is an arithmetic number, because the mean of its divisors is an integer number (1051173137931).

Almost surely, 2^{20344331641350} is an apocalyptic number.

20344331641350 is an abundant number, since it is smaller than the sum of its proper divisors (30111978979338).

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

20344331641350 is a wasteful number, since it uses less digits than its factorization.

20344331641350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366009 (or 6366004 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 20344331641350 its reverse (5314613344302), we get a palindrome (25658944985652).

The spelling of 20344331641350 in words is "twenty trillion, three hundred forty-four billion, three hundred thirty-one million, six hundred forty-one thousand, three hundred fifty".