20020021212202 has 96 divisors (see below), whose sum is σ = 35085799425600. Its totient is φ = 8536722036480.

The previous prime is 20020021212173. The next prime is 20020021212203. The reversal of 20020021212202 is 20221212002002.

It is not an unprimeable number, because it can be changed into a prime (20020021212203) 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 47 ways as a sum of consecutive naturals, for example, 878560653 + ... + 878583439.

It is an arithmetic number, because the mean of its divisors is an integer number (365477077350).

Almost surely, 2^{20020021212202} is an apocalyptic number.

20020021212202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20020021212202 is a deficient number, since it is larger than the sum of its proper divisors (15065778213398).

20020021212202 is a wasteful number, since it uses less digits than its factorization.

20020021212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24692 (or 24681 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20020021212202 its reverse (20221212002002), we get a palindrome (40241233214204).

The spelling of 20020021212202 in words is "twenty trillion, twenty billion, twenty-one million, two hundred twelve thousand, two hundred two".