20021202200022 has 16 divisors (see below), whose sum is σ = 40052235630960. Its totient is φ = 6672095528192.

The previous prime is 20021202199963. The next prime is 20021202200023. The reversal of 20021202200022 is 22000220212002.

It is a junction number, because it is equal to n+sod(n) for n = 20021202199974 and 20021202200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021202200023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409608147 + ... + 409657022.

It is an arithmetic number, because the mean of its divisors is an integer number (2503264726935).

Almost surely, 2^{20021202200022} is an apocalyptic number.

20021202200022 is an abundant number, since it is smaller than the sum of its proper divisors (20031033430938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20021202200022 is a wasteful number, since it uses less digits than its factorization.

20021202200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819269247.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20021202200022 its reverse (22000220212002), we get a palindrome (42021422412024).

The spelling of 20021202200022 in words is "twenty trillion, twenty-one billion, two hundred two million, two hundred thousand, twenty-two".