20122220122010 has 16 divisors (see below), whose sum is σ = 36220919940072. Its totient is φ = 8048682777600.

The previous prime is 20122220122003. The next prime is 20122220122033. The reversal of 20122220122010 is 1022102222102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18943760068249 + 1178460053761 = 4352443^2 + 1085569^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20122220122010.

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, 25246871 + ... + 26031690.

Almost surely, 2^{20122220122010} is an apocalyptic number.

20122220122010 is a deficient number, since it is larger than the sum of its proper divisors (16098699818062).

20122220122010 is a wasteful number, since it uses less digits than its factorization.

20122220122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51317809.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20122220122010 its reverse (1022102222102), we get a palindrome (21144322344112).

The spelling of 20122220122010 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, ten".