20143243222210 has 64 divisors (see below), whose sum is σ = 38506714092000. Its totient is φ = 7560419622912.

The previous prime is 20143243222187. The next prime is 20143243222211. The reversal of 20143243222210 is 1222234234102.

It can be written as a sum of positive squares in 16 ways, for example, as 14021048091961 + 6122195130249 = 3744469^2 + 2474307^2 .

It is not an unprimeable number, because it can be changed into a prime (20143243222211) 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, 437179734 + ... + 437225806.

Almost surely, 2^{20143243222210} is an apocalyptic number.

20143243222210 is a deficient number, since it is larger than the sum of its proper divisors (18363470869790).

20143243222210 is a wasteful number, since it uses less digits than its factorization.

20143243222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53815.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20143243222210 its reverse (1222234234102), we get a palindrome (21365477456312).

The spelling of 20143243222210 in words is "twenty trillion, one hundred forty-three billion, two hundred forty-three million, two hundred twenty-two thousand, two hundred ten".