20202212203 has 16 divisors (see below), whose sum is σ = 21620662560. Its totient is φ = 18841312000.

The previous prime is 20202212197. The next prime is 20202212221. The reversal of 20202212203 is 30221220202.

It is a cyclic number.

It is not a de Polignac number, because 20202212203 - 2¹⁷ = 20202081131 is a prime.

It is a super-2 number, since 2×20202212203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202212263) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35976 + ... + 204202.

It is an arithmetic number, because the mean of its divisors is an integer number (1351291410).

Almost surely, 2^20202212203 is an apocalyptic number.

20202212203 is a deficient number, since it is larger than the sum of its proper divisors (1418450357).

20202212203 is a wasteful number, since it uses less digits than its factorization.

20202212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168398.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20202212203 its reverse (30221220202), we get a palindrome (50423432405).

The spelling of 20202212203 in words is "twenty billion, two hundred two million, two hundred twelve thousand, two hundred three".