20020001222 has 16 divisors (see below), whose sum is σ = 32729644080. Its totient is φ = 9128674272.

The previous prime is 20020001219. The next prime is 20020001237. The reversal of 20020001222 is 22210002002.

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, 4636397 + ... + 4640712.

It is an arithmetic number, because the mean of its divisors is an integer number (2045602755).

Almost surely, 2^20020001222 is an apocalyptic number.

20020001222 is a deficient number, since it is larger than the sum of its proper divisors (12709642858).

20020001222 is a wasteful number, since it uses less digits than its factorization.

20020001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277207.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20020001222 its reverse (22210002002), we get a palindrome (42230003224).

The spelling of 20020001222 in words is "twenty billion, twenty million, one thousand, two hundred twenty-two".