20122252500144 has 40 divisors (see below), whose sum is σ = 52391796551680. Its totient is φ = 6654603187008.

The previous prime is 20122252500101. The next prime is 20122252500157. The reversal of 20122252500144 is 44100525222102.

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, 1650441124 + ... + 1650453315.

It is an arithmetic number, because the mean of its divisors is an integer number (1309794913792).

Almost surely, 2^{20122252500144} is an apocalyptic number.

20122252500144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20122252500144 is an abundant number, since it is smaller than the sum of its proper divisors (32269544051536).

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

20122252500144 is a wasteful number, since it uses less digits than its factorization.

20122252500144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300894577 (or 3300894571 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 20122252500144 its reverse (44100525222102), we get a palindrome (64222777722246).

The spelling of 20122252500144 in words is "twenty trillion, one hundred twenty-two billion, two hundred fifty-two million, five hundred thousand, one hundred forty-four".