20211202120202 has 32 divisors (see below), whose sum is σ = 31574287503360. Its totient is φ = 9692277154560.

The previous prime is 20211202120201. The next prime is 20211202120253. The reversal of 20211202120202 is 20202120211202.

It is a happy number.

It is a super-2 number, since 2×20211202120202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20211202120201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90679448 + ... + 90902060.

It is an arithmetic number, because the mean of its divisors is an integer number (986696484480).

Almost surely, 2^{20211202120202} is an apocalyptic number.

20211202120202 is a deficient number, since it is larger than the sum of its proper divisors (11363085383158).

20211202120202 is a wasteful number, since it uses less digits than its factorization.

20211202120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235718.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20211202120202 its reverse (20202120211202), we get a palindrome (40413322331404).

The spelling of 20211202120202 in words is "twenty trillion, two hundred eleven billion, two hundred two million, one hundred twenty thousand, two hundred two".