20122144321430 has 16 divisors (see below), whose sum is σ = 36229078444320. Its totient is φ = 8046809136192.

The previous prime is 20122144321387. The next prime is 20122144321459. The reversal of 20122144321430 is 3412344122102.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20122144321393 and 20122144321402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256032794 + ... + 256111373.

It is an arithmetic number, because the mean of its divisors is an integer number (2264317402770).

Almost surely, 2^{20122144321430} is an apocalyptic number.

20122144321430 is a deficient number, since it is larger than the sum of its proper divisors (16106934122890).

20122144321430 is a wasteful number, since it uses less digits than its factorization.

20122144321430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512148103.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 20122144321430 its reverse (3412344122102), we get a palindrome (23534488443532).

The spelling of 20122144321430 in words is "twenty trillion, one hundred twenty-two billion, one hundred forty-four million, three hundred twenty-one thousand, four hundred thirty".