20102220220022 has 4 divisors (see below), whose sum is σ = 30153330330036. Its totient is φ = 10051110110010.

The previous prime is 20102220219997. The next prime is 20102220220091. The reversal of 20102220220022 is 22002202220102.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20102220220022² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025555055004 + ... + 5025555055007.

It is an arithmetic number, because the mean of its divisors is an integer number (7538332582509).

Almost surely, 2^{20102220220022} is an apocalyptic number.

20102220220022 is a deficient number, since it is larger than the sum of its proper divisors (10051110110014).

20102220220022 is a wasteful number, since it uses less digits than its factorization.

20102220220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051110110013.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20102220220022 its reverse (22002202220102), we get a palindrome (42104422440124).

The spelling of 20102220220022 in words is "twenty trillion, one hundred two billion, two hundred twenty million, two hundred twenty thousand, twenty-two".