20144121230 has 32 divisors (see below), whose sum is σ = 38424637440. Its totient is φ = 7590042880.

The previous prime is 20144121229. The next prime is 20144121281. The reversal of 20144121230 is 3212144102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835214 + ... + 858993.

It is an arithmetic number, because the mean of its divisors is an integer number (1200769920).

Almost surely, 2^20144121230 is an apocalyptic number.

20144121230 is a deficient number, since it is larger than the sum of its proper divisors (18280516210).

20144121230 is a wasteful number, since it uses less digits than its factorization.

20144121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694284.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20144121230 its reverse (3212144102), we get a palindrome (23356265332).

The spelling of 20144121230 in words is "twenty billion, one hundred forty-four million, one hundred twenty-one thousand, two hundred thirty".