20434210250141 has 32 divisors (see below), whose sum is σ = 21171891269376. Its totient is φ = 19712742336000.

The previous prime is 20434210250119. The next prime is 20434210250149. The reversal of 20434210250141 is 14105201243402.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20434210250141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434210250149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674092001 + ... + 674122313.

It is an arithmetic number, because the mean of its divisors is an integer number (661621602168).

Almost surely, 2^{20434210250141} is an apocalyptic number.

It is an amenable number.

20434210250141 is a deficient number, since it is larger than the sum of its proper divisors (737681019235).

20434210250141 is a wasteful number, since it uses less digits than its factorization.

20434210250141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31253.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 20434210250141 its reverse (14105201243402), we get a palindrome (34539411493543).

The spelling of 20434210250141 in words is "twenty trillion, four hundred thirty-four billion, two hundred ten million, two hundred fifty thousand, one hundred forty-one".