20144234210 has 32 divisors (see below), whose sum is σ = 37866960000. Its totient is φ = 7701078528.

The previous prime is 20144234189. The next prime is 20144234237. The reversal of 20144234210 is 1243244102.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon 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, 252209 + ... + 322331.

It is an arithmetic number, because the mean of its divisors is an integer number (1183342500).

Almost surely, 2^20144234210 is an apocalyptic number.

20144234210 is a deficient number, since it is larger than the sum of its proper divisors (17722725790).

20144234210 is a wasteful number, since it uses less digits than its factorization.

20144234210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71402.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20144234210 its reverse (1243244102), we get a palindrome (21387478312).

The spelling of 20144234210 in words is "twenty billion, one hundred forty-four million, two hundred thirty-four thousand, two hundred ten".