20022202022 has 4 divisors (see below), whose sum is σ = 30033303036. Its totient is φ = 10011101010.

The previous prime is 20022202009. The next prime is 20022202037. The reversal of 20022202022 is 22020222002.

It is a happy number.

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

It is a super-4 number, since 4×20022202022⁴ (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20022201988 and 20022202006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005550504 + ... + 5005550507.

It is an arithmetic number, because the mean of its divisors is an integer number (7508325759).

Almost surely, 2^20022202022 is an apocalyptic number.

20022202022 is a deficient number, since it is larger than the sum of its proper divisors (10011101014).

20022202022 is a wasteful number, since it uses less digits than its factorization.

20022202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011101013.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20022202022 its reverse (22020222002), we get a palindrome (42042424024).

It can be divided in two parts, 2002 and 2202022, that multiplied together give a palindrome (4408448044).

The spelling of 20022202022 in words is "twenty billion, twenty-two million, two hundred two thousand, twenty-two".