20453243153350 has 48 divisors (see below), whose sum is σ = 45368088185088. Its totient is φ = 6707647441440.

The previous prime is 20453243153311. The next prime is 20453243153351. The reversal of 20453243153350 is 5335134235402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20453243153351) 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, 1270379724 + ... + 1270395823.

It is an arithmetic number, because the mean of its divisors is an integer number (945168503856).

Almost surely, 2^{20453243153350} is an apocalyptic number.

20453243153350 is an abundant number, since it is smaller than the sum of its proper divisors (24914845031738).

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

20453243153350 is a wasteful number, since it uses less digits than its factorization.

20453243153350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540775589 (or 2540775584 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 40.

Adding to 20453243153350 its reverse (5335134235402), we get a palindrome (25788377388752).

The spelling of 20453243153350 in words is "twenty trillion, four hundred fifty-three billion, two hundred forty-three million, one hundred fifty-three thousand, three hundred fifty".