20054420210 has 24 divisors (see below), whose sum is σ = 39677921388. Its totient is φ = 7292516000.

The previous prime is 20054420189. The next prime is 20054420237. The reversal of 20054420210 is 1202445002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19249620049 + 804800161 = 138743^2 + 28369^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8285741 + ... + 8288160.

Almost surely, 2^20054420210 is an apocalyptic number.

20054420210 is a deficient number, since it is larger than the sum of its proper divisors (19623501178).

20054420210 is a wasteful number, since it uses less digits than its factorization.

20054420210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16573930 (or 16573919 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 20054420210 its reverse (1202445002), we get a palindrome (21256865212).

The spelling of 20054420210 in words is "twenty billion, fifty-four million, four hundred twenty thousand, two hundred ten".