20334250202144 has 24 divisors (see below), whose sum is σ = 42387940679868. Its totient is φ = 9569058918400.

The previous prime is 20334250202111. The next prime is 20334250202213. The reversal of 20334250202144 is 44120205243302.

It can be written as a sum of positive squares in 2 ways, for example, as 20322172192144 + 12078010000 = 4508012^2 + 109900^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 20334250202144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18689567657 + ... + 18689568744.

Almost surely, 2^{20334250202144} is an apocalyptic number.

It is an amenable number.

20334250202144 is an abundant number, since it is smaller than the sum of its proper divisors (22053690477724).

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

20334250202144 is a wasteful number, since it uses less digits than its factorization.

20334250202144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37379136428 (or 37379136420 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 20334250202144 its reverse (44120205243302), we get a palindrome (64454455445446).

The spelling of 20334250202144 in words is "twenty trillion, three hundred thirty-four billion, two hundred fifty million, two hundred two thousand, one hundred forty-four".