20113144210 has 16 divisors (see below), whose sum is σ = 38333286936. Its totient is φ = 7572007168.

The previous prime is 20113144199. The next prime is 20113144283. The reversal of 20113144210 is 1244131102.

It can be written as a sum of positive squares in 4 ways, for example, as 14991308721 + 5121835489 = 122439^2 + 71567^2 .

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, 59156137 + ... + 59156476.

Almost surely, 2^20113144210 is an apocalyptic number.

20113144210 is a deficient number, since it is larger than the sum of its proper divisors (18220142726).

20113144210 is a wasteful number, since it uses less digits than its factorization.

20113144210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118312637.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20113144210 its reverse (1244131102), we get a palindrome (21357275312).

The spelling of 20113144210 in words is "twenty billion, one hundred thirteen million, one hundred forty-four thousand, two hundred ten".