20021202022 has 16 divisors (see below), whose sum is σ = 31898707200. Its totient is φ = 9392015488.

The previous prime is 20021201939. The next prime is 20021202059. The reversal of 20021202022 is 22020212002.

It is a junction number, because it is equal to n+sod(n) for n = 20021201993 and 20021202011.

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 in 7 ways as a sum of consecutive naturals, for example, 918022 + ... + 939577.

It is an arithmetic number, because the mean of its divisors is an integer number (1993669200).

Almost surely, 2^20021202022 is an apocalyptic number.

20021202022 is a deficient number, since it is larger than the sum of its proper divisors (11877505178).

20021202022 is a wasteful number, since it uses less digits than its factorization.

20021202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857935.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20021202022 its reverse (22020212002), we get a palindrome (42041414024).

The spelling of 20021202022 in words is "twenty billion, twenty-one million, two hundred two thousand, twenty-two".